| Named Summit | County | Elevation | USGS Quad | |
______ | ______ | ______ | ______ | ______ |
| 25 Mesa | Montrose | 9038 | Moore Mesa | 25 Mesa |
| 7 N Mesa | Montrose | 8771 | Moore Mesa | 7 N Mesa |
| 71 Mountain | Hinsdale | 12305 | Lake San Cristobal | 71 Mountain |
| A L Hill | Park | 9310 | Eagle Rock | A L Hill |
| Abrams Mountain | Ouray | 12801 | Ironton | Abrams Mountain |
| Mount Achonee | Grand | 12649 | Monarch Lake | Mount Achonee |
| Mount Acoma | Grand | 10508 | Shadow Mountain | Mount Acoma |
| Adam Mountain | Eagle | 11144 | Fulford | Adam Mountain |
| Mount Adams | Grand | 12121 | Monarch Lake | Mount Adams |
| Mount Adams | Saguache | 13931 | Horn Peak | Mount Adams |
| Adobe Buttes | Delta | 5661 | North Delta | Adobe Buttes |
| Adobe Peak | Custer | 10188 | Hardscrabble Mountain | Adobe Peak |
| Mount Aetna | Chaffee | 13771 | Garfield | Mount Aetna |
| Afley Peak | Gunnison | 12646 | Oh-be-joyful | Afley Peak |
| Agate Mound | Cheyenne | 4457 | Landsman Hill | Agate Mound |
| Agate Mountain | Park | 10002 | Agate Mountain | Agate Mountain |
| Agency Peak | Saguache | 11719 | Sawtooth Mountain | Agency Peak |
| Agner Mountain | Routt | 8289 | Quaker Mountain | Agner Mountain |
| Agua Ramon Mountain | Rio Grande | 10874 | South Fork East | Agua Ramon Mountain |
| Aigner Mountain | Routt | 8280 | Slide Mountain | Aigner Mountain |
| Ajax Peak | San Miguel | 12785 | Telluride | Ajax Peak |
| Alamaditas Mesa | Conejos | 9804 | La Jara Canyon | Alamaditas Mesa |
| Alaska Hill | Boulder | 6926 | Boulder | Alaska Hill |
| Mount Albion | Boulder | 12609 | Ward | Mount Albion |
| Alexander Mesa | Las Animas | 5001 | Plug Hat Ranch | Alexander Mesa |
| Alexander Mountain | Larimer | 7105 | Drake | Alexander Mountain |
| Mount Alice | Boulder | 13310 | Isolation Peak | Mount Alice |
| Allred Peak | Moffat | 7980 | Limestone Hill | Allred Peak |
| Almagre Mountain | Teller | 12367 | Manitou Springs | Almagre Mountain |
| Alpine Peak | Clear Creek | 11552 | Georgetown | Alpine Peak |
| Alpine Plateau | Gunnison | 11508 | Alpine Plateau | Alpine Plateau |
| Alps Hill | Gilpin | 9751 | Central City | Alps Hill |
| Alps Mountain | Clear Creek | 10560 | Idaho Springs | Alps Mountain |
| American Flag Mountain | Gunnison | 12713 | Italian Creek | American Flag Mountain |
| Amherst Mountain | La Plata | 13165 | Columbine Pass | Amherst Mountain |
| Mount amma | Chaffee | 13634 | Saint Elmo | Mount Mamma |
| Anchor Mountain | Dolores | 12327 | Rico | Anchor Mountain |
| Anderson Mesa | Montrose | 6307 | Anderson Mesa | Anderson Mesa |
| Anderson Mountain | Routt | 9257 | Hahns Peak | Anderson Mountain |
| Andrews Peak | Grand | 12565 | Isolation Peak | Andrews Peak |
| Andys Mesa | Montrose | 6263 | Anderson Mesa | Andys Mesa |
| Animas City Mountain | La Plata | 8161 | Durango East | Animas City Mountain |
| Animas Mountain | San Juan | 13786 | Snowdon Peak | Animas Mountain |
| Mount anitou | El Paso | 9444 | Manitou Springs | Mount Manitou |
| Mount anitou | Saguache | 12135 | Whale Hill | Mount Manitou |
| Antelope Butte | Custer | 9336 | Rosita | Antelope Butte |
| Antelope Hill | Delta | 5843 | Orchard City | Antelope Hill |
| Antelope Hill | Weld | 4953 | Bracewell | Antelope Hill |
| Antelope Mesa | Crowley | 4850 | Ninemile Spring | Antelope Mesa |
| Antelope Mountain | Custer | 10750 | Deer Peak | Antelope Mountain |
| Antelope Mountain | Mineral | 10172 | Workman Creek | Antelope Mountain |
| Mount Antero | Chaffee | 14269 | Mount Antero | Mount Antero |
| Anthracite Mesa | Gunnison | 11269 | Oh-be-joyful | Anthracite Mesa |
| Antora Peak | Saguache | 13266 | Bonanza | Antora Peak |
| Anvil Mountain | San Juan | 12537 | Silverton | Anvil Mountain |
| Apache Peak | Boulder | 13441 | Monarch Lake | Apache Peak |
| Apiatan Mountain | Grand | 10319 | Trail Mountain | Apiatan Mountain |
| Archuleta Mesa | Archuleta | 9236 | Edith | Archuleta Mesa |
| Mount arcy | Custer | 13510 | Electric Peak | Mount Marcy |
| Mount arcy | Saguache | 13510 | Electric Peak | Mount Marcy |
| Mount argaret | Larimer | 7957 | Red Feather Lakes | Mount Margaret |
| Argentine Peak | Clear Creek | 13738 | Montezuma | Argentine Peak |
| Mount Argentine | Summit | 11412 | Breckenridge | Mount Argentine |
| Arikaree Peak | Grand | 13150 | Monarch Lake | Arikaree Peak |
| Arizona Mountain | Gilpin | 10310 | Central City | Arizona Mountain |
| Arkansas Mountain | Boulder | 7710 | Boulder | Arkansas Mountain |
| Arkansas Mountain | Custer | 10567 | Rosita | Arkansas Mountain |
| Arkansas Mountain | Fremont | 9275 | Arkansas Mountain | Arkansas Mountain |
| Arkansas Mountain | Gunnison | 11853 | Snowmass Mountain | Arkansas Mountain |
| Mount Arkansas | Lake | 13795 | Climax | Mount Arkansas |
| Mount Arps | Chaffee | 12383 | Cumberland Pass | Mount Arps |
| Arrow Peak | San Juan | 13803 | Storm King Peak | Arrow Peak |
| Arrowhead Hill | La Plata | 7188 | Bayfield | Arrowhead Hill |
| Arrowhead Mountain | Park | 11209 | Mount Evans | Arrowhead Mountain |
| Arrowhead | Larimer | 12642 | McHenrys Peak | Arrowhead |
| Mount Arthur | El Paso | 10807 | Manitou Springs | Mount Arthur |
| Ash Mesa | Montrose | 5468 | Hoovers Corner | Ash Mesa |
| Ashcroft Mountain | Pitkin | 12381 | Hayden Peak | Ashcroft Mountain |
| Aspen Knoll | Jackson | 8888 | Buffalo Peak | Aspen Knoll |
| Aspen Mountain | Pitkin | 9721 | Aspen | Aspen Mountain |
| Mount assive | Lake | 14421 | Mount Massive | Mount Massive |
| Atkinson Breaks | Montrose | 6500 | Atkinson Creek | Atkinson Breaks |
| Atkinson Mesa | Montrose | 6161 | Red Canyon | Atkinson Mesa |
| Mount Audubon | Boulder | 13223 | Ward | Mount Audubon |
| Augusta Mountain | Gunnison | 12559 | Oh-be-joyful | Augusta Mountain |
| Austin Bluffs | El Paso | 6708 | Pikeview | Austin Bluffs |
| Avalanche Peak | Eagle | 12803 | Mount Jackson | Avalanche Peak |
| Avery Peak | Gunnison | 12653 | Gothic | Avery Peak |
| Mount Axtell | Gunnison | 12055 | Mount Axtell | Mount Axtell |
| Mount axwell | Las Animas | 13335 | El Valle Creek | Mount Maxwell |
| Aztec Mountain | La Plata | 13310 | Columbine Pass | Aztec Mountain |
| Babcock Peak | La Plata | 13149 | La Plata | Babcock Peak |
| Bachelor Mountain | Mineral | 10667 | San Luis Peak | Bachelor Mountain |
| Baculite Mesa | Pueblo | 5393 | Pinon | Baculite Mesa |
| Badger Mountain | Park | 11294 | Glentivar | Badger Mountain |
| Badito Cone | Huerfano | 8942 | Badito Cone | Badito Cone |
| Mount Bailey | Park | 9089 | Bailey | Mount Bailey |
| Baker Mountain | Clear Creek | 12448 | Grays Peak | Baker Mountain |
| Baker Mountain | Grand | 12397 | Mount Richthofen | Baker Mountain |
| Baker Mountain | Grand | 9824 | Rabbit Ears Peak | Baker Mountain |
| Baker Mountain | Park | 9544 | Eagle Rock | Baker Mountain |
| Baker Peak | La Plata | 11949 | La Plata | Baker Peak |
| Bakers Peak | Moffat | 9444 | Bakers Peak | Bakers Peak |
| Bald Eagle Mountain | Lake | 11913 | Homestake Reservoir | Bald Eagle Mountain |
| Bald Hill | Dolores | 9170 | Nipple Mountain | Bald Hill |
| Bald Hill | Park | 11428 | Alma | Bald Hill |
| Bald Hill | Park | 9556 | Hartsel | Bald Hill |
| Bald Knobs | Las Animas | 7776 | Delagua | Bald Knobs |
| Bald Knob | Pitkin | 11092 | Thimble Rock | Bald Knob |
| Bald Knob | Rio Blanco | 7903 | No Name Ridge | Bald Knob |
| Bald Mountain | Boulder | 11340 | Nederland | Bald Mountain |
| Bald Mountain | Boulder | 7160 | Boulder | Bald Mountain |
| Bald Mountain | Boulder | 8631 | Raymond | Bald Mountain |
| Bald Mountain | Boulder | 9147 | Gold Hill | Bald Mountain |
| Bald Mountain | Chaffee | 9611 | Buena Vista East | Bald Mountain |
| Bald Mountain | Chaffee | 9825 | Buena Vista West | Bald Mountain |
| Bald Mountain | Clear Creek | 8401 | Squaw Pass | Bald Mountain |
| Bald Mountain | Clear Creek | 9994 | Central City | Bald Mountain |
| Bald Mountain | Custer | 9460 | Rosita | Bald Mountain |
| Bald Mountain | Custer | 9467 | Rosita | Bald Mountain |
| Bald Mountain | Douglas | 7881 | Greenland | Bald Mountain |
| Bald Mountain | Eagle | 12136 | Vail East | Bald Mountain |
| Bald Mountain | El Paso | 9460 | Woodland Park | Bald Mountain |
| Bald Mountain | Garfield | 10361 | Center Mountain | Bald Mountain |
| Bald Mountain | Gunnison | 11707 | Mount Guero | Bald Mountain |
| Bald Mountain | Gunnison | 12851 | Garfield | Bald Mountain |
| Bald Mountain | Hinsdale | 12255 | Granite Lake | Bald Mountain |
| Bald Mountain | Jefferson | 7741 | Indian Hills | Bald Mountain |
| Bald Mountain | Jefferson | 7988 | Evergreen | Bald Mountain |
| Bald Mountain | Larimer | 5793 | Chambers Lake | Bald Mountain |
| Bald Mountain | Larimer | 7098 | Pinewood Lake | Bald Mountain |
| Bald Mountain | Larimer | 8217 | Diamond Peak | Bald Mountain |
| Bald Mountain | Mesa | 10343 | South Mamm Peak | Bald Mountain |
| Bald Mountain | Mesa | 9175 | Collbran | Bald Mountain |
| Bald Mountain | Moffat | 7228 | Bald Mountain | Bald Mountain |
| Bald Mountain | San Miguel | 11868 | Telluride | Bald Mountain |
| Bald Mountain | Summit | 13684 | Boreas Pass | Bald Mountain |
| Baldridge Point | Mesa | 9135 | Porter Mountain | Baldridge Point |
| Baldy Alto | Saguache | 13698 | Stewart Peak | Baldy Alto |
| Baldy Chato | Saguache | 13401 | Stewart Peak | Baldy Chato |
| Baldy Cinco | Hinsdale | 13383 | Baldy Cinco | Baldy Cinco |
| Baldy Mountain | Archuleta | 10124 | Baldy Mountain | Baldy Mountain |
| Baldy Mountain | Fremont | 6835 | Royal Gorge | Baldy Mountain |
| Baldy Mountain | Gunnison | 11655 | Matchless Mountain | Baldy Mountain |
| Baldy Mountain | La Plata | 9874 | Durango East | Baldy Mountain |
| Baldy Mountain | Mesa | 10223 | Quaker Mesa | Baldy Mountain |
| Baldy Mountain | Mineral | 12488 | Workman Creek | Baldy Mountain |
| Baldy Mountain | Park | 9761 | Thirtyone Mile Mountain | Baldy Mountain |
| Baldy Mountain | Pitkin | 13155 | Highland Peak | Baldy Mountain |
| Baldy Mountain | Rio Blanco | 10142 | Devils Causeway | Baldy Mountain |
| Baldy Mountain | Rio Blanco | 9753 | Sleepy Cat Peak | Baldy Mountain |
| Baldy Peak | Custer | 12829 | Electric Peak | Baldy Peak |
| Baldy Peak | Jefferson | 7872 | Green Mountain | Baldy Peak |
| Baldy Peak | La Plata | 10866 | Hesperus | Baldy Peak |
| Baldy Peak | Ouray | 10603 | Ouray | Baldy Peak |
| Baldy Peak | Routt | 9060 | Quaker Mountain | Baldy Peak |
| Baldy | Gunnison | 11109 | Alpine Plateau | Baldy |
| Mount Baldy | Gunnison | 12805 | Oh-be-joyful | Mount Baldy |
| Baldy | Las Animas | 8068 | Fishers Peak | Baldy |
| Ball Mountain | Lake | 12316 | Mount Sherman | Ball Mountain |
| Ballard Mountain | San Miguel | 12804 | Telluride | Ballard Mountain |
| Banana Mountain | Chaffee | 12323 | Garfield | Banana Mountain |
| Mount Bancroft | Clear Creek | 13250 | Empire | Mount Bancroft |
| Banded Peak | Archuleta | 12778 | Chama Peak | Banded Peak |
| Bandit Peak | Park | 12444 | Harris Park | Bandit Peak |
| Banner Peak | Jefferson | 8487 | Pine | Banner Peak |
| Banta Hill | Gilpin | 8643 | Black Hawk | Banta Hill |
| Banty Point | Rio Blanco | 5920 | Banty Point | Banty Point |
| Bar Four Pocket | Las Animas | 5582 | Humbar Spring | Bar Four Pocket |
| Bard Peak | Clear Creek | 13641 | Grays Peak | Bard Peak |
| Barker Dome | La Plata | 7126 | Big Costilla Peak | Barker Dome |
| Barnes Mountain | La Plata | 9654 | Monument Hill | Barnes Mountain |
| Barney Ford Hill | Summit | 10185 | Breckenridge | Barney Ford Hill |
| Barney Hill | Mesa | 7124 | Mesa | Barney Hill |
| Barrow Mesa | Delta | 5611 | Hotchkiss | Barrow Mesa |
| Bartlett Mesa | Las Animas | 8882 | Raton | Bartlett Mesa |
| Bartlett Mountain | Lake | 13555 | Copper Mountain | Bartlett Mountain |
| Basalt Mountain | Eagle | 10866 | Leon | Basalt Mountain |
| Basin Butte | Mesa | 5074 | Wetherill Mesa | Basin Butte |
| Basin Mountain | La Plata | 8245 | Basin Mountain | Basin Mountain |
| Bassick Hill | Custer | 9200 | Mount Tyndall | Bassick Hill |
| Bates Hill | Gilpin | 8530 | Central City | Bates Hill |
| Battle Mountain | Eagle | 11507 | Red Cliff | Battle Mountain |
| Battle Mountain | Grand | 8574 | Battle Mountain | Battle Mountain |
| Battle Mountain | Larimer | 12044 | Longs Peak | Battle Mountain |
| Battle Rock | Montezuma | 5802 | Battle Rock | Battle Rock |
| Battleship Rock | Mesa | 6493 | Battleship Rock | Battleship Rock |
| Baxter Mountain | Saguache | 11727 | Bonanza | Baxter Mountain |
| Baxter Peak | Garfield | 11185 | Carbonate | Baxter Peak |
| Beacon Hill | Pueblo | 5087 | Pinon | Beacon Hill |
| Beacon Hill | Teller | 9705 | Cripple Creek South | Beacon Hill |
| Bear Mountain | Archuleta | 8420 | Harris Lake | Bear Mountain |
| Bear Mountain | Douglas | 7694 | Deckers | Bear Mountain |
| Bear Mountain | Fremont | 8905 | Arkansas Mountain | Bear Mountain |
| Bear Mountain | Grand | 9845 | Pearl | Bear Mountain |
| Bear Mountain | Gunnison | 12373 | Snowmass Mountain | Bear Mountain |
| Bear Mountain | Hinsdale | 10474 | Bear Mountain | Bear Mountain |
| Bear Mountain | Jackson | 11601 | Boettcher Lake | Bear Mountain |
| Bear Mountain | Jefferson | 8629 | Unknown | Bear Mountain |
| Bear Mountain | Larimer | 7635 | Big Narrows | Bear Mountain |
| Bear Mountain | San Juan | 12987 | Silverton | Bear Mountain |
| Bear Mountain | Summit | 12585 | Keystone | Bear Mountain |
| Bear Peak | Boulder | 8461 | Eldorado Springs | Bear Peak |
| Bear Peak | Custer | 9577 | Mount Tyndall | Bear Peak |
| Bearpaws Peaks | Jackson | 11704 | Mount Richthofen | Bearpaws Peaks |
| Bears Ears Peaks | Routt | 10577 | Bears Ears Peaks | Bears Ears Peaks |
| Bears Head | Custer | 7755 | Wetmore | Bears Head |
| Beasley Hills | Teller | 9122 | Wrights Reservoir | Beasley Hills |
| Beattie Peak | San Miguel | 13342 | Ophir | Beattie Peak |
| Beaubien Peak | Costilla | 13184 | El Valle Creek | Beaubien Peak |
| Beautiful Mountain | Mineral | 12753 | South River Peak | Beautiful Mountain |
| Beaver Flat Tops | Routt | 9482 | Pagoda Peak | Beaver Flat Tops |
| Beaver Hill | Montrose | 6662 | Montrose West | Beaver Hill |
| Beaver Mountain | Dolores | 9310 | Nipple Mountain | Beaver Mountain |
| Beaver Mountain | Larimer | 10491 | McHenrys Peak | Beaver Mountain |
| Beaver Mountain | Rio Grande | 11528 | Del Norte Peak | Beaver Mountain |
| Beaver Mountain | Routt | 8411 | Tumble Mountain | Beaver Mountain |
| Beck Mountain | Custer | 10749 | Beck Mountain | Beck Mountain |
| Beckwith Mountain | Custer | 8549 | Beckwith Mountain | Beckwith Mountain |
| Beddows Mountain | Custer | 8495 | Beckwith Mountain | Beddows Mountain |
| Bee Rock | Douglas | 6754 | Devils Head | Bee Rock |
| Beebe Mesa | Delta | 6420 | North Delta | Beebe Mesa |
| Beech Hill | Boulder | 6521 | Pinewood Lake | Beech Hill |
| Beef Pasture Point | Mesa | 9207 | Snipe Mountain | Beef Pasture Point |
| Belcher Hill | Jefferson | 7949 | Ralston Buttes | Belcher Hill |
| Mount Belford | Chaffee | 14197 | Mount Harvard | Mount Belford |
| Bell Mountain | Pitkin | 10605 | Aspen | Bell Mountain |
| Bell Rock | Douglas | 8118 | Westcreek | Bell Rock |
| Belleview Mountain | Pitkin | 13233 | Maroon Bells | Belleview Mountain |
| Bellevue Mountain | Clear Creek | 9863 | Central City | Bellevue Mountain |
| Mount Bellview | Gunnison | 12519 | Snowmass Mountain | Mount Bellview |
| Bellyache Mountain | Eagle | 9656 | Fulford | Bellyache Mountain |
| Bellyache Mountain | Routt | 9834 | Sand Point | Bellyache Mountain |
| Belmear Mountain | Dolores | 9645 | Willow Spring | Belmear Mountain |
| Ben Lomand Mountain | El Paso | 7636 | Palmer Lake | Ben Lomand Mountain |
| Ben Lowe Flats | Montrose | 7250 | Camel Back | Ben Lowe Flats |
| Ben West Hill | Custer | 8083 | Westcliffe | Ben West Hill |
| Bennett Mountain | Douglas | 8045 | Kassler | Bennett Mountain |
| Bennett Peak | Rio Grande | 13203 | Jasper | Bennett Peak |
| Bent Peak | Hinsdale | 13393 | Pole Creek Mountain | Bent Peak |
| Bergen Peak | Jefferson | 9708 | Squaw Pass | Bergen Peak |
| Berrian Mountain | Jefferson | 9147 | Conifer | Berrian Mountain |
| Beryl Mountain | Routt | 9331 | Hahns Peak | Beryl Mountain |
| Best Butte | Douglas | 7554 | Greenland | Best Butte |
| Mount Bethel | Clear Creek | 12705 | Loveland Pass | Mount Bethel |
| Beulah Hill | Pueblo | 6220 | Beulah | Beulah Hill |
| Bible Back Mountain | Moffat | 8523 | Fly Creek | Bible Back Mountain |
| Bidwell Hill | Morgan | 4877 | Hoyt | Bidwell Hill |
| Mount Bierstadt | Clear Creek | 14060 | Mount Evans | Mount Bierstadt |
| Big Agnes Mountain | Routt | 12059 | Mount Zirkel | Big Agnes Mountain |
| Big Baldy Mountain | Fremont | 10742 | Salida East | Big Baldy Mountain |
| Big Baldy | Fremont | 9007 | High Park | Big Baldy |
| Big Baldy | San Miguel | 9201 | Beaver Park | Big Baldy |
| Big Bull Mountain | Teller | 10832 | Big Bull Mountain | Big Bull Mountain |
| Mount Big Chief | Teller | 11224 | Mount Big Chief | Mount Big Chief |
| Big Hill | Montrose | 8180 | Cathedral Peak | Big Hill |
| Big Hill | Pueblo | 4843 | Northeast Pueblo | Big Hill |
| Big Hill | Saguache | 10243 | West Baldy | Big Hill |
| Big Island | Montrose | 7915 | Grizzly Ridge | Big Island |
| Big John Mountain | Boulder | 9093 | Raymond | Big John Mountain |
| Big Marvine Peak | Rio Blanco | 11879 | Big Marvine Peak | Big Marvine Peak |
| Big Mesa | Gunnison | 8744 | Big Mesa | Big Mesa |
| Big Mesa | Montezuma | 7847 | Trail Canyon | Big Mesa |
| Big Mountain | Garfield | 9853 | Red Elephant Point | Big Mountain |
| Big Owl Hill | Boulder | 8868 | Berthoud | Big Owl Hill |
| Big Red Butte | Pueblo | 7756 | Wetmore | Big Red Butte |
| Big Red Hill | Eagle | 8378 | Burns South | Big Red Hill |
| Big Sand Mountain | Gunnison | 10452 | Mount Guero | Big Sand Mountain |
| Big Sugarloaf Mountain | Rio Blanco | 8761 | Slide Creek | Big Sugarloaf Mountain |
| Bighole Butte | Moffat | 6774 | Bighole Butte | Bighole Butte |
| Bighorn Mountain | Boulder | 8556 | Gold Hill | Bighorn Mountain |
| Bighorn Mountain | Larimer | 11463 | Estes Park | Bighorn Mountain |
| Bill Couch Mountain | Jefferson | 7082 | Indian Hills | Bill Couch Mountain |
| Bill Weller Mesa | Moffat | 6665 | Limestone Hill | Bill Weller Mesa |
| Bills Peak | Grand | 12703 | Byers Peak | Bills Peak |
| Billy Goat Point | Archuleta | 7680 | Oakbrush Hill | Billy Goat Point |
| Bingham Hill | Larimer | 5385 | Horsetooth Reservoir | Bingham Hill |
| Birthday Peak | Chaffee | 12749 | Mount Harvard | Birthday Peak |
| Bishop Peak | Moffat | 8825 | Beaver Basin | Bishop Peak |
| Bishop Rock | Rio Grande | 8741 | Greenie Mountain | Bishop Rock |
| Bison Mountain | Park | 12431 | McCurdy Mountain | Bison Mountain |
| Black Butte | Baca | 4048 | Walsh | Black Butte |
| Black Face | San Miguel | 12147 | Mount Wilson | Black Face |
| Black Hawk Mountain | Jefferson | 9991 | Black Hawk | Black Hawk Mountain |
| Black Hills | Crowley | 4693 | Metz Springs | Black Hills |
| Black Hills | Huerfano | 7516 | Black Hills | Black Hills |
| Black Mesa | Dolores | 11335 | Groundhog Mountain | Black Mesa |
| Black Mesa | Gunnison | 11097 | Mount Guero | Black Mesa |
| Black Mountain | Conejos | 11201 | Spectacle Lake | Black Mountain |
| Black Mountain | Eagle | 8650 | Burns South | Black Mountain |
| Black Mountain | Grand | 9523 | Corral Peaks | Black Mountain |
| Black Mountain | Hinsdale | 7881 | Hermit Lakes | Black Mountain |
| Black Mountain | Huerfano | 9017 | Creager Reservoir | Black Mountain |
| Black Mountain | Jackson | 10583 | West Fork Lake | Black Mountain |
| Black Mountain | Jefferson | 10756 | Meridian Hill | Black Mountain |
| Black Mountain | Lake | 11619 | South Peak | Black Mountain |
| Black Mountain | Larimer | 9949 | South Bald Mountain | Black Mountain |
| Black Mountain | Mesa | 6596 | Mesa | Black Mountain |
| Black Mountain | Mineral | 10909 | Pagosa Peak | Black Mountain |
| Black Mountain | Moffat | 10815 | Freeman Reservoir | Black Mountain |
| Black Mountain | Montezuma | 9414 | Battle Rock | Black Mountain |
| Black Mountain | Park | 10568 | Jones Hill | Black Mountain |
| Black Mountain | Park | 11654 | Black Mountain | Black Mountain |
| Black Mountain | Rio Blanco | 7205 | Buckskin Point | Black Mountain |
| Black Mountain | Routt | 10454 | McCoy | Black Mountain |
| Black Mountain | Teller | 10132 | Mount Big Chief | Black Mountain |
| Blackhawk Mountain | Dolores | 12681 | Hermosa Peak | Blackhawk Mountain |
| Blackhawk Peak | Gilpin | 10187 | Central City | Blackhawk Peak |
| Blackhead Peak | Archuleta | 12495 | Blackhead Peak | Blackhead Peak |
| Blacktail Mountain | Routt | 8681 | Blacktail Mountain | Blacktail Mountain |
| Blacktail Point | Larimer | 7442 | Haystack Gulch | Blacktail Point |
| Blackwall Mountain | Ouray | 13073 | Wetterhorn Peak | Blackwall Mountain |
| Mount Blaine | Garfield | 8061 | Mount Blaine | Mount Blaine |
| Mount Blaine | Park | 12303 | Mount Logan | Mount Blaine |
| Blair Mesa | Rio Blanco | 5923 | Smizer Gulch | Blair Mesa |
| Blair Mountain | Garfield | 11468 | Blair Mountain | Blair Mountain |
| Blair Mountain | Rio Blanco | 6824 | Smizer Gulch | Blair Mountain |
| Blanca Peak | Alamosa | 14345 | Blanca Peak | Blanca Peak |
| Blizzardine Peak | Custer | 11910 | Beck Mountain | Blizzardine Peak |
| Blodgett Peak | El Paso | 9423 | Cascade | Blodgett Peak |
| Blowout Hill | Eagle | 8687 | Dotsero | Blowout Hill |
| Blue Hill | Eagle | 7080 | Blue Hill | Blue Hill |
| Blue Hill | Las Animas | 5748 | Myers Canyon | Blue Hill |
| Blue Hill | Moffat | 6939 | Irish Canyon | Blue Hill |
| Blue Mesa | Gunnison | 8992 | Curecanti Needle | Blue Mesa |
| Blue Mesa | Mesa | 6339 | Red Canyon | Blue Mesa |
| Blue Mountain | Archuleta | 8871 | Harris Lake | Blue Mountain |
| Blue Mountain | El Paso | 9856 | Mount Big Chief | Blue Mountain |
| Blue Mountain | Jefferson | 9322 | Eldorado Springs | Blue Mountain |
| Blue Mountain | Larimer | 7888 | Pinewood Lake | Blue Mountain |
| Blue Mountain | Park | 9230 | Lake George | Blue Mountain |
| Blue Mountain | Saguache | 11322 | Twin Mountains | Blue Mountain |
| Blue Springs Point | Montrose | 5852 | Atkinson Creek | Blue Springs Point |
| Blueberry Peak | Custer | 12005 | Beck Mountain | Blueberry Peak |
| Bluenose Mesa | Delta | 6124 | Cedaredge | Bluenose Mesa |
| Bobblers Knob | Las Animas | 8748 | Raton | Bobblers Knob |
| Bobcat Mountain | Larimer | 6282 | Livermore | Bobcat Mountain |
| Bobtail Hill | Gilpin | 8945 | Central City | Bobtail Hill |
| Bocco Mountain | Eagle | 7847 | Wolcott | Bocco Mountain |
| Boiler Hill | Larimer | 8863 | Crystal Mountain | Boiler Hill |
| Bondad Hill | La Plata | 6318 | Bondad Hill | Bondad Hill |
| Bone Mesa | Delta | 5800 | Paonia | Bone Mesa |
| Bonfisk Peak | Gunnison | 11629 | Big Soap Park | Bonfisk Peak |
| Bonita Hill | Saguache | 10530 | Klondike Mine | Bonita Hill |
| Bonita Peak | San Juan | 13286 | Handies Peak | Bonita Peak |
| Bonito Mountain | Rio Grande | 12181 | Summitville | Bonito Mountain |
| Bonner Peak | Larimer | 6944 | Laporte | Bonner Peak |
| Booger Red Hill | Teller | 8307 | High Park | Booger Red Hill |
| Boone Hill | Pueblo | 4806 | Boone Hill | Boone Hill |
| Boot Mountain | Saguache | 12422 | Bowers Peak | Boot Mountain |
| Booth Mountain | Pueblo | 6454 | Stone City | Booth Mountain |
| Boque Mountain | Mesa | 8972 | Vega Reservoir | Boque Mountain |
| Boreas Mountain | Park | 13082 | Boreas Pass | Boreas Mountain |
| Boston Peak | Gunnison | 11702 | Matchless Mountain | Boston Peak |
| Boston Peak | Larimer | 9363 | Boston Peak | Boston Peak |
| Bottle Mountain | Fremont | 8532 | Coaldale | Bottle Mountain |
| Bottle Peak | Grand | 11584 | Bottle Pass | Bottle Peak |
| Boulder County Hill | Boulder | 10203 | Nederland | Boulder County Hill |
| Boulder Mountain | Boulder | 8549 | Eldorado Springs | Boulder Mountain |
| Boulder Mountain | Chaffee | 13524 | Saint Elmo | Boulder Mountain |
| Bowen Mountain | Grand | 12524 | Bowen Mountain | Bowen Mountain |
| Bowers Peak | Saguache | 12449 | Bowers Peak | Bowers Peak |
| Boyd Mountain | Huerfano | 10394 | Cucharas Pass | Boyd Mountain |
| Bradford Mesa | Huerfano | 6166 | Maria Reservoir | Bradford Mesa |
| Bradley Peak | Park | 9489 | McCurdy Mountain | Bradley Peak |
| Breckinridge Peak | Clear Creek | 12889 | Empire | Breckinridge Peak |
| Breece Hill | Lake | 11660 | Mount Sherman | Breece Hill |
| Breeze Mountain | Moffat | 7010 | Breeze Mountain | Breeze Mountain |
| Brewery Hill | Summit | 11370 | Keystone | Brewery Hill |
| Bridge Timber Mountain | La Plata | 8249 | Basin Mountain | Bridge Timber Mountain |
| Brind Mountain | Teller | 10492 | Big Bull Mountain | Brind Mountain |
| Bristol Head | Mineral | 12706 | Bristol Head | Bristol Head |
| Brittle Silver Mountain | Gunnison | 12486 | Garfield | Brittle Silver Mountain |
| Brittle Silver Mountain | Summit | 12228 | Montezuma | Brittle Silver Mountain |
| Brockover Mesa | Archuleta | 8206 | Chris Mountain | Brockover Mesa |
| Broken Hand Peak | Custer | 13573 | Crestone Peak | Broken Hand Peak |
| Broken Hill | Hinsdale | 13256 | Uncompahgre Peak | Broken Hill |
| Broncho Mountain | Gunnison | 12834 | Fairview Peak | Broncho Mountain |
| Bronco Knob | Mesa | 10124 | Porter Mountain | Bronco Knob |
| Mount Bross | Park | 14172 | Alma | Mount Bross |
| Brown Mesa | Las Animas | 7045 | Alps Mesa | Brown Mesa |
| Brown Mountain | Clear Creek | 11602 | Grays Peak | Brown Mountain |
| Brown Mountain | Ouray | 13339 | Ironton | Brown Mountain |
| Brownie Hills | Costilla | 8285 | Mesito Reservoir | Brownie Hills |
| Browning Mountain | Gunnison | 9508 | Minnesota Pass | Browning Mountain |
| Browns Peak | Chaffee | 13523 | Winfield | Browns Peak |
| Brumley Point | Dolores | 7390 | McKenna Peak | Brumley Point |
| Brush Mountain | Mesa | 8911 | Snipe Mountain | Brush Mountain |
| Brush Mountain | Rio Blanco | 8888 | Razorback Ridge | Brush Mountain |
| Brush Mountain | Routt | 9869 | Tumble Mountain | Brush Mountain |
| Brushy Knob | Las Animas | 5686 | Hidden Valley Ranch | Brushy Knob |
| Brushy Mountain | Las Animas | 6146 | Cobert Mesa North | Brushy Mountain |
| Brushy Point | Rio Blanco | 8503 | Brushy Point | Brushy Point |
| Bryan Mountain | Boulder | 10810 | Nederland | Bryan Mountain |
| Mount Bryant | Grand | 11034 | Shadow Mountain | Mount Bryant |
| Buck Hill | El Paso | 6391 | Timber Mountain | Buck Hill |
| Buck Knob | San Miguel | 7462 | McKenna Peak | Buck Knob |
| Buck Knoll | Moffat | 9016 | Willow Creek Butte | Buck Knoll |
| Buck Mesa | Gunnison | 9836 | Somerset | Buck Mesa |
| Buck Mesa | Montrose | 5796 | Anderson Mesa | Buck Mesa |
| Buck Mountain | Costilla | 10014 | Russell | Buck Mountain |
| Buck Mountain | Custer | 8625 | Beckwith Mountain | Buck Mountain |
| Buck Mountain | Jackson | 11396 | Mount Zirkel | Buck Mountain |
| Buck Mountain | Moffat | 7903 | Slide Mountain | Buck Mountain |
| Buck Mountain | Routt | 8826 | Pilot Knob | Buck Mountain |
| Buck Peak | Moffat | 7748 | Breeze Mountain | Buck Peak |
| Buck Point | Garfield | 8896 | Cottonwood Pass | Buck Point |
| Buck Point | Moffat | 10550 | Buck Point | Buck Point |
| Buckeye Mountain | Gilpin | 10126 | Nederland | Buckeye Mountain |
| Buckeye Peak | Lake | 12867 | Leadville North | Buckeye Peak |
| Buckhorn Mountain | Larimer | 8341 | Buckhorn Mountain | Buckhorn Mountain |
| Mount Buckhorn | El Paso | 8540 | Manitou Springs | Mount Buckhorn |
| Bucks Mountain | Douglas | 7421 | Cherry Valley School | Bucks Mountain |
| Buckskin Mesa | Rio Blanco | 6485 | Buckskin Point | Buckskin Mesa |
| Mount Buckskin | Park | 13865 | Climax | Mount Buckskin |
| Buena Vista Peak | Moffat | 8565 | Hells Canyon | Buena Vista Peak |
| Bueno Mountain | Boulder | 8662 | Gold Hill | Bueno Mountain |
| Buffalo Mountain | Routt | 10379 | Buffalo Pass | Buffalo Mountain |
| Buffalo Mountain | Summit | 12777 | Vail Pass | Buffalo Mountain |
| Buffalo Peak | Jackson | 9443 | Buffalo Peak | Buffalo Peak |
| Buffalo Peak | Jefferson | 11589 | Green Mountain | Buffalo Peak |
| Buffalo Peak | La Plata | 12728 | Emerald Lake | Buffalo Peak |
| Buford Peak | Rio Blanco | 9686 | Buford | Buford Peak |
| Bug Point | Dolores | 13012 | Burnt Cabin Creek | Bug Point |
| Bull Domingo Hills | Custer | 8675 | Westcliffe | Bull Domingo Hills |
| Bull Hill | Fremont | 10155 | Cameron Mountain | Bull Hill |
| Bull Hill | Lake | 13761 | Mount Elbert | Bull Hill |
| Bull Hill | Mesa | 7702 | Gateway | Bull Hill |
| Bull Hill | Routt | 7726 | Quaker Mountain | Bull Hill |
| Bull Mountain | Gunnison | 8185 | Bull Mountain | Bull Mountain |
| Bull Mountain | Jackson | 9708 | Gould | Bull Mountain |
| Bull Mountain | Larimer | 10082 | Sand Creek Pass | Bull Mountain |
| Bulldog Mountain | Mineral | 10960 | Creede | Bulldog Mountain |
| Bullion Mountain | La Plata | 13182 | Columbine Pass | Bullion Mountain |
| Bunker Hill | Custer | 9318 | Mount Tyndall | Bunker Hill |
| Bunker Hill | Las Animas | 6890 | Aguilar | Bunker Hill |
| Burned Timber Mountain | Fremont | 10086 | Howard | Burned Timber Mountain |
| Burning Mountain | Garfield | 7730 | New Castle | Burning Mountain |
| Burnt Mill Mesa | Ouray | 8347 | Ridgway | Burnt Mill Mesa |
| Burnt Mountain | Boulder | 9353 | Gold Hill | Burnt Mountain |
| Burnt Mountain | Eagle | 11178 | Crooked Creek Pass | Burnt Mountain |
| Burnt Mountain | Pitkin | 11385 | Highland Peak | Burnt Mountain |
| Burnt Mountain | Saguache | 11646 | Whale Hill | Burnt Mountain |
| Burris Mountain | Fremont | 10789 | Waugh Mountain | Burris Mountain |
| Burro Creek Mesa | Montrose | 6200 | Atkinson Creek | Burro Creek Mesa |
| Burro Mesa | Las Animas | 8747 | Barela | Burro Mesa |
| Burro Mountain | Montezuma | 11553 | La Plata | Burro Mountain |
| Burro Mountain | Rio Blanco | 10143 | Buford | Burro Mountain |
| Burro Mountain | Rio Blanco | 9835 | Pagoda Peak | Burro Mountain |
| Burro Mountain | Rio Grande | 12110 | Summitville | Burro Mountain |
| Burwell Peak | Montezuma | 12664 | La Plata | Burwell Peak |
| Bushnell Peak | Saguache | 13105 | Bushnell Peak | Bushnell Peak |
| Butter Hill | Routt | 7976 | Elkhorn Mountain | Butter Hill |
| Button Rock Mountain | Boulder | 8450 | Panorama Peak | Button Rock Mountain |
| Butzel Hill | Boulder | 8264 | Boulder | Butzel Hill |
| Byers Peak | Grand | 12804 | Byers Peak | Byers Peak |
| Mount c Connel | Larimer | 8008 | Big Narrows | Mount Mc Connel |
| Cactus Mountain | Fremont | 7410 | Gribble Mountain | Cactus Mountain |
| Mount Cairns | Grand | 10872 | Isolation Peak | Mount Cairns |
| Cajon Mesa | Montezuma | 5905 | Negro Canyon | Cajon Mesa |
| Calamity Mesa | Mesa | 6673 | Calamity Mesa | Calamity Mesa |
| Calf Creek Plateau | Hinsdale | 12644 | Powderhorn Lakes | Calf Creek Plateau |
| Calico Mountain | Chaffee | 12944 | Garfield | Calico Mountain |
| Calico Peak | Dolores | 12026 | Rico | Calico Peak |
| California Mesa | Montrose | 5495 | Hoovers Corner | California Mesa |
| California Mountain | Gilpin | 10636 | Central City | California Mountain |
| California Mountain | San Juan | 13222 | Handies Peak | California Mountain |
| California Peak | Huerfano | 13849 | Blanca Peak | California Peak |
| Mount Callahan | Garfield | 8606 | Parachute | Mount Callahan |
| Calloway Hill | Larimer | 6524 | Livermore Mountain | Calloway Hill |
| Calumet Mountain | Chaffee | 9724 | Cameron Mountain | Calumet Mountain |
| Camel Back Mountain | Moffat | 8422 | Fly Creek | Camel Back Mountain |
| Camel Back | Montrose | 6908 | Camel Back | Camel Back |
| Camel Peak | Rio Blanco | 10053 | Oyster Lake | Camel Peak |
| Cameron Cone | El Paso | 10707 | Manitou Springs | Cameron Cone |
| Cameron Mountain | Fremont | 10993 | Cameron Mountain | Cameron Mountain |
| Cameron Mountain | Gunnison | 11802 | Fairview Peak | Cameron Mountain |
| Cameron Peak | Larimer | 12127 | Clark Peak | Cameron Peak |
| Mount Cameron | Park | 14238 | Alma | Mount Cameron |
| Campbell Mountain | Douglas | 8894 | Deckers | Campbell Mountain |
| Campbell Mountain | Larimer | 6384 | Livermore | Campbell Mountain |
| Campbell Mountain | Mesa | 8815 | Vega Reservoir | Campbell Mountain |
| Campbell Mountain | Mineral | 10897 | San Luis Peak | Campbell Mountain |
| Campbell Peak | San Miguel | 13213 | Telluride | Campbell Peak |
| Campbell Point | Mesa | 8812 | Uncompahgre Butte | Campbell Point |
| Canby Mountain | San Juan | 13478 | Howardsville | Canby Mountain |
| Mount Candy | Routt | 8380 | Clark | Mount Candy |
| Mount Candy | Routt | 8603 | Clark | Mount Candy |
| Cann Hill | Douglas | 6093 | Kassler | Cann Hill |
| Cannibal Plateau | Hinsdale | 12522 | Cannibal Plateau | Cannibal Plateau |
| Cannon Ball Mesa | Montezuma | 5494 | Bowdish Canyon | Cannon Ball Mesa |
| Cannon Mountain | Boulder | 8615 | Raymond | Cannon Mountain |
| Canterbury Hill | Lake | 11044 | Leadville North | Canterbury Hill |
| Cap Mountain | Gunnison | 9029 | Gateview | Cap Mountain |
| Cap Smith Hill | Routt | 8571 | Hahns Peak | Cap Smith Hill |
| Cape Horn | La Plata | 10379 | Monument Hill | Cape Horn |
| Capitol Peak | Pitkin | 14130 | Capitol Peak | Capitol Peak |
| Captain Mountain | Clear Creek | 9869 | Idaho Springs | Captain Mountain |
| Carbon Hill | Huerfano | 10581 | Beck Mountain | Carbon Hill |
| Carbon Peak | Gunnison | 12079 | Mount Axtell | Carbon Peak |
| Carbonate Hill | Gunnison | 10928 | Cumberland Pass | Carbonate Hill |
| Carbonate Hill | Gunnison | 12713 | Pearl Pass | Carbonate Hill |
| Carbonate Hill | Lake | 10642 | Leadville South | Carbonate Hill |
| Carbonate Hill | Summit | 11480 | Copper Mountain | Carbonate Hill |
| Carbonate Hill | Teller | 10335 | Cripple Creek North | Carbonate Hill |
| Carbonate Mountain | Alamosa | 12308 | Mosca Pass | Carbonate Mountain |
| Carbonate Mountain | Chaffee | 13570 | Saint Elmo | Carbonate Mountain |
| Mount Carbon | Jefferson | 5772 | Morrison | Mount Carbon |
| Carfield Peak | Gunnison | 11888 | Oh-be-joyful | Carfield Peak |
| Caribou Hill | Boulder | 10502 | Nederland | Caribou Hill |
| Carpenter Flats | Montrose | 7184 | Roc Creek | Carpenter Flats |
| Carpenter Peak | Douglas | 7166 | Kassler | Carpenter Peak |
| Mount Carrizo | Las Animas | 5478 | Carrizo Mountain | Mount Carrizo |
| Carson Peak | Hinsdale | 13657 | Pole Creek Mountain | Carson Peak |
| Carter Mountain | Grand | 9569 | Whiteley Peak | Carter Mountain |
| Cascade Mountain | Grand | 12303 | Bowen Mountain | Cascade Mountain |
| Cascade Mountain | Gunnison | 11715 | Oh-be-joyful | Cascade Mountain |
| Cascade Mountain | Ouray | 12103 | Ouray | Cascade Mountain |
| Casco Peak | Lake | 13908 | Mount Elbert | Casco Peak |
| Castle Mountain | Larimer | 8834 | Estes Park | Castle Mountain |
| Castle Mountain | Park | 10081 | Witcher Mountain | Castle Mountain |
| Castle Peak | Eagle | 11275 | Castle Peak | Castle Peak |
| Castle Peak | Mesa | 8302 | Housetop Mountain | Castle Peak |
| Castle Peak | Pitkin | 14265 | Hayden Peak | Castle Peak |
| Castle Rock | Chaffee | 9801 | Castle Rock Gulch | Castle Rock |
| Castle Rock | Douglas | 6586 | Castle Rock North | Castle Rock |
| Castle Rock | Garfield | 7910 | The Saddle | Castle Rock |
| Castle Rock | La Plata | 10441 | Electra Lake | Castle Rock |
| Castle Rock | Mesa | 5206 | Wagon Track Ridge | Castle Rock |
| Cat Mountain | Costilla | 9982 | Trinchera Ranch | Cat Mountain |
| Cathedral Peak | Montrose | 9619 | Cathedral Peak | Cathedral Peak |
| Cathedral Peak | Pitkin | 13943 | Hayden Peak | Cathedral Peak |
| Cathedral Spires | Jefferson | 8572 | Pine | Cathedral Spires |
| Cattle Mountain | Rio Grande | 10842 | Beaver Creek Reservoir | Cattle Mountain |
| Caviness Mountain | La Plata | 10244 | Thompson Park | Caviness Mountain |
| Cedar Hill | Las Animas | 5133 | Stage Canyon | Cedar Hill |
| Cedar Hill | Moffat | 7090 | McInturf Mesa | Cedar Hill |
| Cedar Knob | Moffat | 6778 | Cedar Knob | Cedar Knob |
| Cedar Mesa | Delta | 6771 | Cedaredge | Cedar Mesa |
| Cedar Mountain | Moffat | 7524 | Craig | Cedar Mountain |
| Cedar Mountain | Teller | 8939 | Hackett Mountain | Cedar Mountain |
| Cedar Point | Dolores | 6731 | Northdale | Cedar Point |
| Cedar Point | Elbert | 5991 | River Bend | Cedar Point |
| Cedar Point | Montrose | 7709 | Cathedral Peak | Cedar Point |
| Cedar Springs Mountain | Fremont | 8721 | Arkansas Mountain | Cedar Springs Mountain |
| Cement Mountain | Gunnison | 12200 | Cement Mountain | Cement Mountain |
| Centennial Cone | Jefferson | 8679 | Ralston Buttes | Centennial Cone |
| Centennial Park | Montezuma | 13062 | La Plata | Centennial Park |
| Center Mountain | Garfield | 8544 | Center Mountain | Center Mountain |
| Central Hill | Gilpin | 8644 | Central City | Central Hill |
| Central Mountain | Gunnison | 12413 | Whitepine | Central Mountain |
| Central Orchard Mesa | Mesa | 4773 | Clifton | Central Orchard Mesa |
| Centralia Mountain | Jefferson | 9795 | Ralston Buttes | Centralia Mountain |
| Cerro del Zopilote | Archuleta | 7924 | Carracas | Cerro del Zopilote |
| Cerro Negro | Las Animas | 5991 | Jesus Canyon | Cerro Negro |
| Cerro Summit | Montrose | 8042 | Cerro Summit | Cerro Summit |
| Chair Mountain | Gunnison | 12721 | Chair Mountain | Chair Mountain |
| Chalk Mountain | Mesa | 11146 | Chalk Mountain | Chalk Mountain |
| Chalk Mountain | Mesa | 8092 | Mesa | Chalk Mountain |
| Chalk Mountain | Summit | 12017 | Climax | Chalk Mountain |
| Challenger Point | Saguache | 14080 | Crestone Peak | Challenger Point |
| Chama Peak | Archuleta | 12019 | Chama Peak | Chama Peak |
| Mount Champion | Lake | 13646 | Mount Champion | Mount Champion |
| Chapin Mesa | Montezuma | 8123 | Point Lookout | Chapin Mesa |
| Mount Chapin | Larimer | 12454 | Trail Ridge | Mount Chapin |
| Mount Chapman | Chaffee | 12784 | Whitepine | Mount Chapman |
| Chase Hill | Moffat | 6517 | Limestone Hill | Chase Hill |
| Mount Chauncey | Grand | 9575 | Granby | Mount Chauncey |
| Chautauqua Mountain | El Paso | 8352 | Palmer Lake | Chautauqua Mountain |
| Cheesman Mountain | Jefferson | 7933 | Cheesman Lake | Cheesman Mountain |
| Cherokee Mountain | Douglas | 6642 | Sedalia | Cherokee Mountain |
| Cherry Cairn | Mineral | 12511 | Pagosa Peak | Cherry Cairn |
| Cherry Hill | Larimer | 5046 | Loveland | Cherry Hill |
| Cheyenne Lookout | Elbert | 5763 | Barking Dog Spring | Cheyenne Lookout |
| Cheyenne Mountain | El Paso | 9565 | Mount Big Chief | Cheyenne Mountain |
| Chicago Peak | Ouray | 13385 | Ironton | Chicago Peak |
| Chief Mountain | Clear Creek | 11709 | Idaho Springs | Chief Mountain |
| Chief Mountain | Hinsdale | 13014 | Little Squaw Creek | Chief Mountain |
| Chief Mountain | Summit | 11377 | Vail Pass | Chief Mountain |
| Chiefs Head Peak | Boulder | 13579 | Isolation Peak | Chiefs Head Peak |
| Chimney Peak | Douglas | 9185 | Mount Deception | Chimney Peak |
| Chimney Rock | Archuleta | 7903 | Chimney Rock | Chimney Rock |
| Chimney Rock | Grand | 10146 | Whiteley Peak | Chimney Rock |
| Chipeta Mountain | Chaffee | 12853 | Mount Ouray | Chipeta Mountain |
| Mount Chiquita | Larimer | 13069 | Trail Ridge | Mount Chiquita |
| Chiquito Peak | Conejos | 9641 | Centro | Chiquito Peak |
| Chittenden Mountain | Boulder | 10860 | Nederland | Chittenden Mountain |
| Chivington Hill | Kiowa | 3977 | Chivington | Chivington Hill |
| Chris Mountain | Archuleta | 8887 | Chris Mountain | Chris Mountain |
| Christ Mountain | Larimer | 7919 | Buckhorn Mountain | Christ Mountain |
| Chromo Mountain | Archuleta | 8604 | Chromo | Chromo Mountain |
| Chrysolite Mountain | Chaffee | 12830 | Saint Elmo | Chrysolite Mountain |
| Cimarrona Peak | Hinsdale | 12577 | Cimarrona Peak | Cimarrona Peak |
| Cinder Butte | La Plata | 6666 | Pinkerton Mesa | Cinder Butte |
| Mount Cindy | Jackson | 12047 | Mount Richthofen | Mount Cindy |
| Cinnamon Mountain | Gunnison | 12293 | Oh-be-joyful | Cinnamon Mountain |
| Cinnamon Mountain | San Juan | 13328 | Handies Peak | Cinnamon Mountain |
| Cirque Mountain | Ouray | 13686 | Mount Sneffels | Cirque Mountain |
| Mount Cirrus | Grand | 12797 | Mount Richthofen | Mount Cirrus |
| Citadel Plateau | Moffat | 7772 | Citadel Plateau | Citadel Plateau |
| City Mountain | Routt | 9557 | Shield Mountain | City Mountain |
| Clark Hill | Las Animas | 5412 | Beaty Canyon | Clark Hill |
| Clark Peak | Larimer | 12951 | Clark Peak | Clark Peak |
| Clark Peak | Pitkin | 13568 | Capitol Peak | Clark Peak |
| Clay Buttes | Moffat | 6271 | Clay Buttes | Clay Buttes |
| Clayton Cone | Saguache | 8660 | Villa Grove | Clayton Cone |
| Cleveland Mountain | Chaffee | 9708 | Poncha Pass | Cleveland Mountain |
| Cleveland Peak | Saguache | 13414 | Crestone Peak | Cleveland Peak |
| Clinetop Mesa | Garfield | 10670 | Blair Mountain | Clinetop Mesa |
| Clinker Knob | Moffat | 8122 | Price Creek | Clinker Knob |
| Clinton Peak | Lake | 13857 | Climax | Clinton Peak |
| Clover Mountain | Gunnison | 12935 | Garfield | Clover Mountain |
| Coal Bank Hill | San Juan | 10496 | Engineer Mountain | Coal Bank Hill |
| Coal Butte | Rio Blanco | 8490 | Devils Hole Gulch | Coal Butte |
| Coal Creek Mesa | Gunnison | 9171 | West Beckwith Mountain | Coal Creek Mesa |
| Coal Creek Peak | Jefferson | 8484 | Eldorado Springs | Coal Creek Peak |
| Coal Hill | Montrose | 8854 | Cerro Summit | Coal Hill |
| Coal Mountain | Grand | 9543 | Hyannis Peak | Coal Mountain |
| Coal Mountain | Gunnison | 11705 | Minnesota Pass | Coal Mountain |
| Coal Mountain | Moffat | 8316 | Price Creek | Coal Mountain |
| Cobert Mesa | Las Animas | 5991 | Cobert Mesa North | Cobert Mesa |
| Cochetopa Dome | Saguache | 11132 | Cochetopa Park | Cochetopa Dome |
| Coffee Pot Hill | Montrose | 8823 | Grizzly Ridge | Coffee Pot Hill |
| Coffin Mountain | Eagle | 9310 | The Seven Hermits | Coffin Mountain |
| Coffintop Mountain | Boulder | 8049 | Lyons | Coffintop Mountain |
| Cold Spring Mountain | Moffat | 8602 | Sparks | Cold Spring Mountain |
| Collier Mountain | Summit | 13180 | Montezuma | Collier Mountain |
| Colony Baldy | Custer | 13705 | Crestone Peak | Colony Baldy |
| Colorado Mines Peak | Clear Creek | 12493 | Berthoud Pass | Colorado Mines Peak |
| Colorado Mountain | Gilpin | 10870 | Nederland | Colorado Mountain |
| Colorow Hill | Jefferson | 7572 | Morrison | Colorow Hill |
| Colorow Mountain | Rio Blanco | 7873 | Indian Valley | Colorow Mountain |
| Columbia Mountain | Clear Creek | 10918 | Georgetown | Columbia Mountain |
| Mount Columbia | Chaffee | 14073 | Mount Harvard | Mount Columbia |
| Columbus Mountain | Routt | 10253 | Tumble Mountain | Columbus Mountain |
| Comanche Peak | Larimer | 12702 | Comanche Peak | Comanche Peak |
| Comanche Peak | Saguache | 13277 | Horn Peak | Comanche Peak |
| Comforter Mountain | Boulder | 8215 | Gold Hill | Comforter Mountain |
| Concord Hill | Custer | 9143 | Rosita | Concord Hill |
| Cone Mountain | Clear Creek | 12244 | Empire | Cone Mountain |
| Cone Mountain | Las Animas | 6012 | Hidden Valley Ranch | Cone Mountain |
| Cone Mountain | Mesa | 7898 | Juanita Arch | Cone Mountain |
| Cone Pinnacle | Pueblo | 5245 | Red Top Ranch | Cone Pinnacle |
| Conejos Peak | Conejos | 13172 | Platoro | Conejos Peak |
| Congor Mesa | Routt | 8731 | McCoy | Congor Mesa |
| Contact Hill | Gunnison | 11612 | Garfield | Contact Hill |
| Conundrum Peak | Pitkin | 14022 | Hayden Peak | Conundrum Peak |
| Cook Mountain | Boulder | 7524 | Raymond | Cook Mountain |
| Coon Hill | Grand | 12757 | Loveland Pass | Coon Hill |
| Coonskin Mountain | San Miguel | 10525 | Telluride | Coonskin Mountain |
| Cooper Hill | Eagle | 11757 | Leadville North | Cooper Hill |
| Cooper Mountain | Fremont | 9146 | Cooper Mountain | Cooper Mountain |
| Cooper Mountain | Saguache | 10037 | Sawtooth Mountain | Cooper Mountain |
| Cooper Mountain | Summit | 12792 | Montezuma | Cooper Mountain |
| Cooper Peak | Grand | 12296 | Isolation Peak | Cooper Peak |
| Copeland Mountain | Boulder | 13176 | Isolation Peak | Copeland Mountain |
| Copper Butte | Saguache | 8738 | Graveyard Gulch | Copper Butte |
| Copper Mountain | Fremont | 9776 | Howard | Copper Mountain |
| Copper Mountain | Gunnison | 10450 | Pitkin | Copper Mountain |
| Copper Mountain | Mineral | 11954 | Spar City | Copper Mountain |
| Copper Mountain | Summit | 12441 | Copper Mountain | Copper Mountain |
| Copper Mountain | Teller | 10228 | Cripple Creek North | Copper Mountain |
| Corbett Peak | Eagle | 12583 | Copper Mountain | Corbett Peak |
| Corcoran Peak | Mesa | 8076 | Corcoran Peak | Corcoran Peak |
| Cordova Mesa | Huerfano | 6511 | Cucharas Reservoir | Cordova Mesa |
| Cordova Mesa | Las Animas | 6104 | Little Dome | Cordova Mesa |
| Corner Mountain | Douglas | 7465 | Greenland | Corner Mountain |
| Cornish Hill | Archuleta | 8523 | Chromo | Cornish Hill |
| Cornwall Mountain | Conejos | 12285 | Jasper | Cornwall Mountain |
| Corral Mountain | Archuleta | 8871 | Oakbrush Ridge | Corral Mountain |
| Corral Peaks | Grand | 11252 | Corral Peaks | Corral Peaks |
| Cotton Mesa | Las Animas | 5996 | Cobert Mesa North | Cotton Mesa |
| Cottonwood Mesa | Delta | 5708 | Hotchkiss | Cottonwood Mesa |
| Cottonwood Peak | Eagle | 11477 | Lava Creek | Cottonwood Peak |
| Cottonwood Peak | Saguache | 13588 | Valley View Hot Springs | Cottonwood Peak |
| Coulter Mesa | Garfield | 9191 | Rifle Falls | Coulter Mesa |
| Courthouse Mountain | Ouray | 12152 | Courthouse Mountain | Courthouse Mountain |
| Coventry Hill | Montrose | 6814 | Norwood | Coventry Hill |
| Cover Mountain | Park | 10157 | Cover Mountain | Cover Mountain |
| Cow Butte | Crowley | 4832 | The Pinnacles | Cow Butte |
| Cow Mountain | Teller | 11143 | Pikes Peak | Cow Mountain |
| Cowboy Mesa | Montezuma | 6228 | Tanner Mesa | Cowboy Mesa |
| Coxcomb Peak | Ouray | 13656 | Wetterhorn Peak | Coxcomb Peak |
| Coyote Hill | Archuleta | 8452 | Pagosa Springs | Coyote Hill |
| Coyote Hill | Gunnison | 8588 | Doyleville | Coyote Hill |
| Coyote Knob | Montrose | 8466 | Hotchkiss Reservoir | Coyote Knob |
| Coyote Mesa | Montezuma | 7418 | Wetherill Mesa | Coyote Mesa |
| Cozy Point | Pitkin | 8514 | Highland Peak | Cozy Point |
| Cracktop | Larimer | 12766 | Grand Lake | Cracktop |
| Craig Peak | Eagle | 11902 | Crooked Creek Pass | Craig Peak |
| Mount Craig | Grand | 12007 | Isolation Peak | Mount Craig |
| Crampton Mountain | Fremont | 8745 | Gribble Mountain | Crampton Mountain |
| Crater Peak | Delta | 11327 | Chalk Mountain | Crater Peak |
| Crawford Mesa | Delta | 6208 | Grand View Mesa | Crawford Mesa |
| Crazy Mountain | Larimer | 8686 | Crazy Mountain | Crazy Mountain |
| Creek Mesa | Mesa | 5800 | Housetop Mountain | Creek Mesa |
| Creep Mountain | Chaffee | 10276 | Cameron Mountain | Creep Mountain |
| Crescent Mountain | Jefferson | 8945 | Eldorado Springs | Crescent Mountain |
| Crested Butte | Gunnison | 12162 | Gothic | Crested Butte |
| Crestone Needle | Saguache | 14197 | Crestone Peak | Crestone Needle |
| Crestone Peak | Saguache | 14294 | Crestone Peak | Crestone Peak |
| Crooked Top Mountain | Park | 10465 | Shawnee | Crooked Top Mountain |
| Cropsy Mountain | Rio Grande | 12578 | Summitville | Cropsy Mountain |
| Crosier Mountain | Larimer | 9250 | Glen Haven | Crosier Mountain |
| Cross Mountain | Chaffee | 12911 | Winfield | Cross Mountain |
| Cross Mountain | Gunnison | 12459 | Fairview Peak | Cross Mountain |
| Cross Mountain | Huerfano | 9069 | La Veta | Cross Mountain |
| Cross Mountain | Moffat | 7804 | Lone Mountain | Cross Mountain |
| Cross Mountain | San Miguel | 12703 | Mount Wilson | Cross Mountain |
| Crow Hill | Jefferson | 8660 | Indian Hills | Crow Hill |
| Crow Hill | Park | 8693 | Bailey | Crow Hill |
| Crow Valley Hill | Weld | 5369 | Reno Reservoir | Crow Valley Hill |
| Crown Mountain | Hinsdale | 13569 | Handies Peak | Crown Mountain |
| Crown Peak | Garfield | 8004 | Gibson Gulch | Crown Peak |
| Crown Point | Fremont | 9922 | Big Bull Mountain | Crown Point |
| Crown Point | Larimer | 11463 | Kinikinik | Crown Point |
| Crows Roost | El Paso | 5742 | Hanover NW | Crows Roost |
| Crystal Mountain | Larimer | 9949 | Crystal Mountain | Crystal Mountain |
| Crystal Peak | Gunnison | 12632 | Snowmass Mountain | Crystal Peak |
| Crystal Peak | Gunnison | 12777 | Pearl Pass | Crystal Peak |
| Crystal Peak | Hinsdale | 12933 | Lake City | Crystal Peak |
| Crystal Peak | Summit | 13852 | Breckenridge | Crystal Peak |
| Crystal Peak | Teller | 9637 | Lake George | Crystal Peak |
| Cuatro Peak | Costilla | 13487 | Trinchera Peak | Cuatro Peak |
| Culebra Peak | Costilla | 14047 | Culebra Peak | Culebra Peak |
| Cumberland Mountain | La Plata | 12388 | La Plata | Cumberland Mountain |
| Mount Cumulus | Grand | 12725 | Mount Richthofen | Mount Cumulus |
| Curley Peak | Fremont | 9622 | Curley Peak | Curley Peak |
| Custer Mountain | Jackson | 9271 | Gould | Custer Mountain |
| Mount Cutler | El Paso | 7231 | Manitou Springs | Mount Cutler |
| Cyclone Mountain | Chaffee | 13600 | Saint Elmo | Cyclone Mountain |
| Cyclone Mountain | Pitkin | 10460 | Meredith | Cyclone Mountain |
| Cyclone Mountain | Saguache | 10182 | Pine Cone Knob | Cyclone Mountain |
| Dakan Mountain | Douglas | 9179 | Dakan Mountain | Dakan Mountain |
| Dakota Hill | Gilpin | 10929 | Central City | Dakota Hill |
| Dalerose Mesa | Las Animas | 6108 | Dalerose Mesa | Dalerose Mesa |
| Dallas Peak | San Miguel | 13809 | Telluride | Dallas Peak |
| Mount Daly | Gunnison | 12610 | Marble | Mount Daly |
| Mount Daly | Pitkin | 13305 | Capitol Peak | Mount Daly |
| Daniels Hill | Gunnison | 8680 | Marble | Daniels Hill |
| Dark Mountain | Larimer | 10859 | Estes Park | Dark Mountain |
| Darley Mountain | Hinsdale | 13260 | Handies Peak | Darley Mountain |
| Mount Darline | Delta | 11306 | Chalk Mountain | Mount Darline |
| Daton Peak | Routt | 8218 | Pagoda | Daton Peak |
| Dave Wright Hill | Las Animas | 4812 | Lost Canyon | Dave Wright Hill |
| Davidson Mesa | Boulder | 5637 | Louisville | Davidson Mesa |
| Davis Mesa | Las Animas | 7527 | Alps Mesa | Davis Mesa |
| Davis Mesa | Montrose | 6472 | Davis Mesa | Davis Mesa |
| Davis Mountain | Mineral | 11791 | Pagosa Peak | Davis Mountain |
| Davis Peak | Jackson | 11422 | Davis Peak | Davis Peak |
| Davis Point | Montrose | 8324 | Davis Point | Davis Point |
| Dawson Butte | Douglas | 7481 | Dawson Butte | Dawson Butte |
| Dawson Mountain | Fremont | 8001 | Royal Gorge | Dawson Mountain |
| De Anza Peak | Costilla | 13333 | El Valle Creek | De Anza Peak |
| De Anza Peak | Saguache | 13380 | Electric Peak | De Anza Peak |
| Dead Horse Hill | Jackson | 8650 | Independence Mountain | Dead Horse Hill |
| Dead Horse Mesa | Montrose | 8773 | Cathedral Peak | Dead Horse Mesa |
| Deadhorse Mountain | Larimer | 9082 | Diamond Peak | Deadhorse Mountain |
| Deadman Butte | Larimer | 6084 | Livermore | Deadman Butte |
| Deadman Hill | Larimer | 10492 | Deadman | Deadman Hill |
| Deadman Hill | Larimer | 6555 | Buckhorn Mountain | Deadman Hill |
| Deadmans Hill | Fremont | 7473 | Cotopaxi | Deadmans Hill |
| Deadwood Mountain | La Plata | 12285 | La Plata | Deadwood Mountain |
| Dean Peak | Jackson | 8555 | Northgate | Dean Peak |
| Decatur Mountain | Summit | 12890 | Montezuma | Decatur Mountain |
| Mount Deception | Teller | 9363 | Mount Deception | Mount Deception |
| Deep Creek Mesa | San Miguel | 9894 | Telluride | Deep Creek Mesa |
| Deer Hill | Saguache | 10002 | Razor Creek Dome | Deer Hill |
| Deer Mountain | Fremont | 8487 | Iron Mountain | Deer Mountain |
| Deer Mountain | Jefferson | 7293 | Indian Hills | Deer Mountain |
| Deer Mountain | Lake | 13761 | Mount Champion | Deer Mountain |
| Deer Mountain | Larimer | 10013 | Estes Park | Deer Mountain |
| Deer Mountain | Routt | 7425 | Mad Creek | Deer Mountain |
| Deer Peak | Custer | 11572 | Deer Peak | Deer Peak |
| Del Norte Peak | Rio Grande | 12400 | Del Norte Peak | Del Norte Peak |
| Delaney Butte | Jackson | 9307 | Delaney Butte | Delaney Butte |
| Delilah Peak | Fremont | 8890 | Thirtyone Mile Mountain | Delilah Peak |
| Demijohn Peak | Rio Grande | 10690 | Beaver Creek Reservoir | Demijohn Peak |
| Democrat Hill | Custer | 9182 | Rosita | Democrat Hill |
| Democrat Mountain | Clear Creek | 11481 | Georgetown | Democrat Mountain |
| Democratic Mountain | Fremont | 8531 | Hillside | Democratic Mountain |
| Mount Democrat | Park | 14148 | Climax | Mount Democrat |
| Dempsey Dome | Larimer | 8842 | Crazy Mountain | Dempsey Dome |
| Denver Hill | San Juan | 12312 | Handies Peak | Denver Hill |
| Derby Mesa | Eagle | 9442 | Dome Peak | Derby Mesa |
| Derby Peak | Garfield | 12186 | Dome Peak | Derby Peak |
| Derringer Peak | Park | 9307 | Shawnee | Derringer Peak |
| Desolation Peaks | Larimer | 12949 | Trail Ridge | Desolation Peaks |
| Devil Mountain | Archuleta | 9922 | Devil Mountain | Devil Mountain |
| Devils Grave Mesa | Routt | 8253 | Yampa | Devils Grave Mesa |
| Devils Head | Douglas | 9748 | Devils Head | Devils Head |
| Devils Hole Mountain | Rio Blanco | 8688 | Devils Hole Gulch | Devils Hole Mountain |
| Devils Kitchen | El Paso | 9120 | Cascade | Devils Kitchen |
| Devils Nose | Clear Creek | 11057 | Idaho Springs | Devils Nose |
| Diamond Hill | San Miguel | 10119 | Gray Head | Diamond Hill |
| Diamond Mountain | Grand | 9442 | Rabbit Ears Peak | Diamond Mountain |
| Diamond Mountain | Moffat | 8542 | Canyon of Lodore North | Diamond Mountain |
| Diamond Mountain | Moffat | 8542 | Canyon of Lodore North | Diamond Mountain |
| Diamond Peaks | Larimer | 11852 | Clark Peak | Diamond Peaks |
| Diamond Peak | Larimer | 8668 | Diamond Peak | Diamond Peak |
| Diamond Peak | Moffat | 9545 | Beaver Basin | Diamond Peak |
| Diamond Peak | Routt | 10428 | Meaden Peak | Diamond Peak |
| Dice Hill | Grand | 9853 | Sheephorn Mountain | Dice Hill |
| Mount Dickinson | Larimer | 11831 | Estes Park | Mount Dickinson |
| Dicks Peak | Park | 10675 | Dicks Peak | Dicks Peak |
| Dillard Mesa | Mesa | 8430 | Kelso Point | Dillard Mesa |
| Dillon Mesa | Gunnison | 9412 | Gateview | Dillon Mesa |
| Dinkle Hill | Mesa | 6045 | Molina | Dinkle Hill |
| Diorite Peak | Montezuma | 12761 | La Plata | Diorite Peak |
| Dipper Hill | Logan | 4626 | Dipper Spring | Dipper Hill |
| Dirigo Hill | Boulder | 7360 | Gold Hill | Dirigo Hill |
| Doctor Mesa | Delta | 5934 | North Delta | Doctor Mesa |
| Dog Mountain | Rio Grande | 9658 | Dog Mountain | Dog Mountain |
| Doghead Mountain | Garfield | 9685 | Rulison | Doghead Mountain |
| Dolly Varden Mountain | Hinsdale | 12932 | Handies Peak | Dolly Varden Mountain |
| Dolores Mountain | Dolores | 12112 | Rico | Dolores Mountain |
| Dolores Peak | San Miguel | 13290 | Dolores Peak | Dolores Peak |
| Dolores Point | Mesa | 7932 | Dolores Point North | Dolores Point |
| Dome Mountain | San Juan | 13370 | Howardsville | Dome Mountain |
| Dome Peak | Garfield | 12172 | Dome Peak | Dome Peak |
| Dome Peak | Routt | 10524 | Farwell Mountain | Dome Peak |
| Dora Mountain | Custer | 8381 | Westcliffe | Dora Mountain |
| Dora Mountain | Summit | 12119 | Mount Powell | Dora Mountain |
| Dory Hill | Gilpin | 9625 | Black Hawk | Dory Hill |
| Double Top | Gunnison | 12191 | Pearl Pass | Double Top |
| Doublehead Mountain | Jefferson | 8938 | Conifer | Doublehead Mountain |
| Doughty Mountain | Delta | 10111 | Chalk Mountain | Doughty Mountain |
| Douglas Mountain | Clear Creek | 9550 | Empire | Douglas Mountain |
| Douglas Mountain | Jefferson | 9653 | Black Hawk | Douglas Mountain |
| Douglas Mountain | Moffat | 7513 | Lone Mountain | Douglas Mountain |
| Douglas Mountain | Moffat | 8648 | Jack Springs | Douglas Mountain |
| Dry Knob | Moffat | 6486 | Vermillion Mesa | Dry Knob |
| Dry Mesa | Montrose | 7907 | Kelso Point | Dry Mesa |
| Dry Mountain | Moffat | 7390 | Sheephead Basin | Dry Mountain |
| Duffy Mountain | Moffat | 7096 | Axial | Duffy Mountain |
| Duke Hill | Delta | 5443 | Hotchkiss | Duke Hill |
| Dump Mountain | Huerfano | 9180 | La Veta Pass | Dump Mountain |
| Dunckley Flat Tops | Rio Blanco | 10088 | Dunckley Pass | Dunckley Flat Tops |
| Dunn Peak | Dolores | 12595 | Groundhog Mountain | Dunn Peak |
| Mount Dunraven | Larimer | 12571 | Estes Park | Mount Dunraven |
| Dunsinane | Hinsdale | 9811 | Courthouse Mountain | Dunsinane |
| Dyer Mountain | Lake | 13855 | Mount Sherman | Dyer Mountain |
| Eagle Cliff Mountain | Larimer | 8906 | Longs Peak | Eagle Cliff Mountain |
| Eagle Eye Mesa | Montezuma | 7020 | Wetherill Mesa | Eagle Eye Mesa |
| Eagle Hill | Jackson | 8383 | Eagle Hill | Eagle Hill |
| Eagle Mountain | Douglas | 7515 | Larkspur | Eagle Mountain |
| Eagle Mountain | El Paso | 9046 | Manitou Springs | Eagle Mountain |
| Eagle Mountain | Mineral | 12007 | Pagosa Peak | Eagle Mountain |
| Eagle Mountain | Pitkin | 9937 | Highland Peak | Eagle Mountain |
| Eagle Mountain | Saguache | 10462 | Twin Mountains | Eagle Mountain |
| Eagle Nest | Bent | 4200 | Toonerville | Eagle Nest |
| Eagle Peak | Custer | 13221 | Electric Peak | Eagle Peak |
| Eagle Peak | Dolores | 12113 | Rico | Eagle Peak |
| Eagle Peak | Eagle | 13043 | Mount Jackson | Eagle Peak |
| Eagle Point Hill | Logan | 4608 | Reiradon Hill | Eagle Point Hill |
| Eagle Rock | Elbert | 6234 | Fondis | Eagle Rock |
| Eagle Rock | Park | 9677 | Eagle Rock | Eagle Rock |
| Eagle Rock | Routt | 8649 | Green Ridge | Eagle Rock |
| Eagle Rock | Saguache | 9268 | Twin Mountains SE | Eagle Rock |
| Eagles Nest | Larimer | 6422 | Livermore | Eagles Nest |
| Eagles Nest | Summit | 13091 | Mount Powell | Eagles Nest |
| East Antelope Mountain | Fremont | 9770 | Thirtyone Mile Mountain | East Antelope Mountain |
| East Ball Mountain | Lake | 12947 | Mount Sherman | East Ball Mountain |
| East Beckwith Mountain | Gunnison | 12432 | Anthracite Range | East Beckwith Mountain |
| East Buffalo Peak | Chaffee | 13300 | Marmot Peak | East Buffalo Peak |
| East Butte | Rio Grande | 8812 | Del Norte | East Butte |
| East Cement Mountain | Gunnison | 12027 | Cement Mountain | East Cement Mountain |
| East Eagle Eye Mesa | Montezuma | 6766 | Wetherill Mesa | East Eagle Eye Mesa |
| East Flatiron | Gunnison | 8688 | Somerset | East Flatiron |
| East Gibraltar Peak | Routt | 8698 | Tumble Mountain | East Gibraltar Peak |
| East Mesa | Montrose | 5631 | Olathe | East Mesa |
| East Orchard Mesa | Mesa | 4821 | Palisade | East Orchard Mesa |
| East Sheep Mountain | Summit | 11912 | Copper Mountain | East Sheep Mountain |
| East Spanish Peak | Las Animas | 12683 | Spanish Peaks | East Spanish Peak |
| East Summit | San Miguel | 7565 | Horse Range Mesa | East Summit |
| East Toe | Montezuma | 7765 | Mariano Wash East | East Toe |
| East Ute Mesa | Montezuma | 7709 | Wetherill Mesa | East Ute Mesa |
| East White Pine Mountain | Larimer | 10248 | Crystal Mountain | East White Pine Mountain |
| Echo Mountain | La Plata | 13309 | Columbine Pass | Echo Mountain |
| Edith Mountain | Hinsdale | 12620 | Handies Peak | Edith Mountain |
| Mount Edwards | Clear Creek | 13850 | Grays Peak | Mount Edwards |
| Mount eeker | Boulder | 13911 | Allenspark | Mount Meeker |
| Egry Mesa | Rio Blanco | 8240 | Dunckley Pass | Egry Mesa |
| Eightmile Mesa | Archuleta | 8171 | Serviceberry Mountain | Eightmile Mesa |
| El Diente Peak | Dolores | 14159 | Dolores Peak | El Diente Peak |
| Mount Elbert | Lake | 14433 | Mount Elbert | Mount Elbert |
| Eldorado Mountain | Boulder | 9660 | Nederland | Eldorado Mountain |
| Eldorado Mountain | Jefferson | 8335 | Eldorado Springs | Eldorado Mountain |
| Electric Mountain | Delta | 10304 | Electric Mountain | Electric Mountain |
| Electric Peak | Custer | 13621 | Electric Peak | Electric Peak |
| Electric Peak | San Juan | 13292 | Storm King Peak | Electric Peak |
| Elephant Butte | Jefferson | 8405 | Evergreen | Elephant Butte |
| Elephant Head Rock | Archuleta | 9963 | Elephant Head Rock | Elephant Head Rock |
| Elephant Hill | Delta | 7056 | Paonia | Elephant Hill |
| Elephant Mountain | Rio Grande | 11829 | Summitville | Elephant Mountain |
| Elephant Rocks | Saguache | 8059 | Twin Mountains SE | Elephant Rocks |
| Elephant Rock | Douglas | 7764 | Devils Head | Elephant Rock |
| Elephant Rock | El Paso | 7498 | Palmer Lake | Elephant Rock |
| Elk Knob | Garfield | 10927 | Deep Lake | Elk Knob |
| Elk Knob | Gunnison | 9708 | Elk Knob | Elk Knob |
| Elk Mountain | Eagle | 12693 | Copper Mountain | Elk Mountain |
| Elk Mountain | Grand | 11419 | Corral Peaks | Elk Mountain |
| Elk Mountain | Gunnison | 11826 | Marble | Elk Mountain |
| Elk Mountain | Jackson | 8818 | Johnny Moore Mountain | Elk Mountain |
| Elk Mountain | Mesa | 12061 | South Mamm Peak | Elk Mountain |
| Elk Mountain | Mineral | 11102 | Lake Humphreys | Elk Mountain |
| Elk Mountain | Routt | 8774 | Mad Creek | Elk Mountain |
| Elkhorn Mountain | Fremont | 8084 | Iron Mountain | Elkhorn Mountain |
| Elkhorn Mountain | Routt | 9550 | Elkhorn Mountain | Elkhorn Mountain |
| Ellingwood Point | Alamosa | 14042 | Blanca Peak | Ellingwood Point |
| Elliott Mountain | Dolores | 12340 | Rico | Elliott Mountain |
| Ellison Mountain | Rio Blanco | 9186 | Fawn Creek | Ellison Mountain |
| Elston Mountain | Dolores | 9143 | Narraguinnep Mountain | Elston Mountain |
| Ely Hill | Gilpin | 10045 | Black Hawk | Ely Hill |
| Emancipation Hill | Boulder | 7554 | Boulder | Emancipation Hill |
| Emerald Mountain | Larimer | 9237 | Longs Peak | Emerald Mountain |
| Emerald Peak | Chaffee | 13904 | Winfield | Emerald Peak |
| Emerson Mountain | La Plata | 13085 | Columbine Pass | Emerson Mountain |
| Emery Peak | San Juan | 13310 | Handies Peak | Emery Peak |
| Emma Burr Mountain | Gunnison | 13544 | Cumberland Pass | Emma Burr Mountain |
| Mount Emma | Ouray | 13581 | Telluride | Mount Emma |
| Mount Emmons | Gunnison | 12392 | Oh-be-joyful | Mount Emmons |
| Empire Hill | Lake | 12324 | Mount Sherman | Empire Hill |
| Endlich Mesa | La Plata | 12490 | Columbine Pass | Endlich Mesa |
| Mount Enentah | Grand | 10781 | Grand Lake | Mount Enentah |
| Engelmann Peak | Clear Creek | 13362 | Grays Peak | Engelmann Peak |
| Engineer Mountain | Ouray | 13218 | Handies Peak | Engineer Mountain |
| Engineer Mountain | San Juan | 12968 | Engineer Mountain | Engineer Mountain |
| Mount Eolus | La Plata | 14083 | Columbine Pass | Mount Eolus |
| Epaulet Mountain | Clear Creek | 13523 | Mount Evans | Epaulet Mountain |
| Mount Epworth | Grand | 11843 | East Portal | Mount Epworth |
| Escarpment Peak | Moffat | 8014 | Citadel Plateau | Escarpment Peak |
| Mount estas | Huerfano | 11569 | La Veta Pass | Mount Mestas |
| Estes Cone | Larimer | 11006 | Longs Peak | Estes Cone |
| Mount Ethel | Jackson | 11924 | Mount Ethel | Mount Ethel |
| Mount Ethel | Larimer | 8471 | Poudre Park | Mount Ethel |
| Eureka Hill | Cheyenne | 4700 | Big Spring | Eureka Hill |
| Eureka Mountain | Saguache | 13489 | Rito Alto Peak | Eureka Mountain |
| Eureka Mountain | San Juan | 12929 | Handies Peak | Eureka Mountain |
| Mount Evans | Clear Creek | 14264 | Mount Evans | Mount Evans |
| Mount Evans | Lake | 13577 | Climax | Mount Evans |
| Mount Eva | Clear Creek | 13130 | Empire | Mount Eva |
| Mount Evelyn | Larimer | 7537 | Cherokee Park | Mount Evelyn |
| Evergreen Mountain | Jefferson | 8536 | Conifer | Evergreen Mountain |
| Mount Eve | Eagle | 11158 | Crooked Creek Pass | Mount Eve |
| Expectation Mountain | Dolores | 12071 | Rico | Expectation Mountain |
| Fairburn Mountain | Gilpin | 10393 | Central City | Fairburn Mountain |
| Fairchild Mountain | Larimer | 13502 | Trail Ridge | Fairchild Mountain |
| Fairview Hill | Lake | 10407 | Leadville North | Fairview Hill |
| Fairview Peak | Boulder | 8560 | Lyons | Fairview Peak |
| Fairview Peak | Gunnison | 13214 | Fairview Peak | Fairview Peak |
| Mount Fairview | Custer | 9370 | Rosita | Mount Fairview |
| Fairy Hills | Conejos | 7812 | Mesito Reservoir | Fairy Hills |
| Mount Falcon | Jefferson | 7851 | Morrison | Mount Falcon |
| Fall Mountain | Larimer | 12258 | Comanche Peak | Fall Mountain |
| Fallas Mesa | Las Animas | 6296 | Dalerose Mesa | Fallas Mesa |
| Falls Gulch Mountain | Fremont | 9038 | Arkansas Mountain | Falls Gulch Mountain |
| Farncomb Hill | Summit | 11377 | Boreas Pass | Farncomb Hill |
| Farview Mountain | Jackson | 12246 | Mount Richthofen | Farview Mountain |
| Farwell Mountain | Routt | 10848 | Farwell Mountain | Farwell Mountain |
| Father Dyer Peak | Summit | 13615 | Breckenridge | Father Dyer Peak |
| Fiddler Peak | Phillips | 4028 | Fiddler Peak | Fiddler Peak |
| Finger Mesa | Hinsdale | 12258 | Finger Mesa | Finger Mesa |
| Finnback Knob | Lake | 13409 | Mount Sherman | Finnback Knob |
| Fire Mountain | Gunnison | 8522 | Somerset | Fire Mountain |
| Fisher Mountain | Mineral | 12857 | Spar City | Fisher Mountain |
| Fishers Peak Mesa | Las Animas | 9626 | Fishers Peak | Fishers Peak Mesa |
| Fishers Peak | Las Animas | 9627 | Fishers Peak | Fishers Peak |
| Fitzpatrick Mesa | Gunnison | 9366 | Curecanti Needle | Fitzpatrick Mesa |
| Fitzpatrick Peak | Gunnison | 13124 | Cumberland Pass | Fitzpatrick Peak |
| Five Pine Mesa | Routt | 8912 | Trapper | Five Pine Mesa |
| Flag Mountain | Hinsdale | 12323 | Granite Lake | Flag Mountain |
| Flagpole Hill | Saguache | 8087 | Saguache | Flagpole Hill |
| Flagpole Mountain | Mesa | 10607 | Flatiron Mountain | Flagpole Mountain |
| Flagstaff Mountain | Boulder | 6997 | Boulder | Flagstaff Mountain |
| Flagstaff Mountain | Saguache | 12072 | Bonanza | Flagstaff Mountain |
| Flat Iron | Mesa | 6162 | Triangle Mesa | Flat Iron |
| Flat Iron | Montrose | 7329 | Grand View Mesa | Flat Iron |
| Flat Top Butte | Logan | 4365 | North Sterling Reservoir | Flat Top Butte |
| Flat Top Mesa | Mesa | 6343 | Juanita Arch | Flat Top Mesa |
| Flat Top Mountain | Garfield | 12354 | Orno Peak | Flat Top Mountain |
| Flat Top Mountain | Larimer | 11355 | Chambers Lake | Flat Top Mountain |
| Flat Top Mountain | Mesa | 9499 | Quaker Mesa | Flat Top Mountain |
| Flat Top Peak | San Miguel | 11596 | Little Cone | Flat Top Peak |
| Flat Top | Conejos | 9162 | Vicente Canyon | Flat Top |
| Flat Top | Conejos | 9211 | Manassa NE | Flat Top |
| Flat Top | Gunnison | 10572 | Flat Top | Flat Top |
| Flat Top | Gunnison | 8653 | Iris | Flat Top |
| Flat Top | Logan | 3965 | Julesburg Reservoir | Flat Top |
| Flat Top | Montrose | 10144 | Horsefly Peak | Flat Top |
| Flat Top | Montrose | 6321 | Red Rock Canyon | Flat Top |
| Flat Top | Summit | 9811 | Squaw Creek | Flat Top |
| Flat Top | Washington | 5402 | Lusto Springs | Flat Top |
| Flatiron Mesa | Archuleta | 8059 | Chris Mountain | Flatiron Mesa |
| Flatiron Mesa | Garfield | 7883 | North Mamm Peak | Flatiron Mesa |
| Flatiron Mountain | Garfield | 10825 | Adams Lake | Flatiron Mountain |
| Flatiron Mountain | Larimer | 12335 | Trail Ridge | Flatiron Mountain |
| Flatiron Mountain | Larimer | 6192 | Carter Lake Reservoir | Flatiron Mountain |
| Flatiron Mountain | Mesa | 8193 | Flatiron Mountain | Flatiron Mountain |
| Flatiron | Montrose | 8669 | Cathedral Peak | Flatiron |
| Flattop Butte | Las Animas | 6053 | Hidden Valley Ranch | Flattop Butte |
| Flattop Mountain | Archuleta | 11472 | Elephant Head Rock | Flattop Mountain |
| Flattop Mountain | Dolores | 12098 | Hermosa Peak | Flattop Mountain |
| Flattop Mountain | Dolores | 9752 | Groundhog Reservoir | Flattop Mountain |
| Flattop Mountain | Grand | 12324 | McHenrys Peak | Flattop Mountain |
| Flattop Mountain | Routt | 12116 | Mount Zirkel | Flattop Mountain |
| Flattop Mountain | Routt | 7690 | Tumble Mountain | Flattop Mountain |
| Fleming Mountain | Fremont | 7937 | Coaldale | Fleming Mountain |
| Fletcher Hill | Larimer | 6184 | Buckhorn Mountain | Fletcher Hill |
| Fletcher Mountain | Summit | 13951 | Copper Mountain | Fletcher Mountain |
| Flirtation Peak | Clear Creek | 8243 | Idaho Springs | Flirtation Peak |
| Mount Flora | Clear Creek | 13132 | Sand Camp | Mount Flora |
| Florida Mesa | La Plata | 7215 | Durango East | Florida Mesa |
| Florida Mountain | La Plata | 13076 | Columbine Pass | Florida Mountain |
| Floyd Peak | Routt | 9447 | Floyd Peak | Floyd Peak |
| Fluted Peak | Custer | 13554 | Horn Peak | Fluted Peak |
| Fools Peak | Eagle | 12947 | Mount Jackson | Fools Peak |
| Ford Peak | Pitkin | 10426 | Ruedi Reservoir | Ford Peak |
| Forest Hill | Gunnison | 12444 | Italian Creek | Forest Hill |
| Forest King Mountain | Conejos | 11076 | Platoro | Forest King Mountain |
| Fossil Mountain | Gunnison | 12749 | Fairview Peak | Fossil Mountain |
| Fourth of July Mountain | Jefferson | 7472 | Indian Hills | Fourth of July Mountain |
| Fowler Peak | Rio Blanco | 10444 | Blair Mountain | Fowler Peak |
| Fox Mountain | Clear Creek | 10921 | Empire | Fox Mountain |
| Fox Mountain | Mineral | 11530 | Beaver Creek Reservoir | Fox Mountain |
| Francisco Peak | Costilla | 13135 | El Valle Creek | Francisco Peak |
| Franklin Mesa | Montrose | 6018 | Montrose West | Franklin Mesa |
| Fremont Butte | Washington | 4870 | Fremont Butte | Fremont Butte |
| Fremont Fort | El Paso | 7130 | Peyton | Fremont Fort |
| Fremont Knoll | Park | 9694 | Milligan Lakes | Fremont Knoll |
| Fremont Peak | Fremont | 7233 | Royal Gorge | Fremont Peak |
| French Mountain | Lake | 13727 | Mount Massive | French Mountain |
| Frenchmans Butte | Las Animas | 5990 | Dalerose Mesa | Frenchmans Butte |
| Frijole Hill | Las Animas | 6221 | Trinidad East | Frijole Hill |
| Fruitland Mesa | Delta | 8402 | Grizzly Ridge | Fruitland Mesa |
| Fry Hill | Morgan | 4813 | Judson Hills | Fry Hill |
| Fry Mesa | Delta | 7498 | Gray Reservoir | Fry Mesa |
| Fryer Hill | Lake | 10509 | Leadville North | Fryer Hill |
| Fuller Peak | San Juan | 13761 | Ophir | Fuller Peak |
| Gabletop Mountain | Larimer | 11939 | McHenrys Peak | Gabletop Mountain |
| Gage Hill | Larimer | 6031 | Livermore | Gage Hill |
| Mount Galbraith | Jefferson | 7240 | Ralston Buttes | Mount Galbraith |
| Galena Mountain | Gunnison | 12580 | Snowmass Mountain | Galena Mountain |
| Galena Mountain | Lake | 12893 | Homestake Reservoir | Galena Mountain |
| Galena Mountain | San Juan | 13278 | Howardsville | Galena Mountain |
| Galena Peak | Saguache | 12483 | Coaldale | Galena Peak |
| Gallo Hill | Gunnison | 10800 | Marble | Gallo Hill |
| Ganley Mountain | Clear Creek | 12902 | Grays Peak | Ganley Mountain |
| Gardner Butte | Huerfano | 7321 | Gardner | Gardner Butte |
| Gardner Peak | Fremont | 8932 | Gribble Mountain | Gardner Peak |
| Garell Peak | Fremont | 8391 | Arkansas Mountain | Garell Peak |
| Garfield Mesa | Garfield | 5000 | Highline Lake | Garfield Mesa |
| Garfield Mesa | Mesa | 6978 | Corcoran Peak | Garfield Mesa |
| Garfield Peak | Pitkin | 13731 | Independence Pass | Garfield Peak |
| Mount Garfield | El Paso | 10723 | Manitou Springs | Mount Garfield |
| Mount Garfield | Mesa | 6765 | Clifton | Mount Garfield |
| Mount Garfield | San Juan | 13074 | Snowdon Peak | Mount Garfield |
| Garnet Mesa | Delta | 5219 | Delta | Garnet Mesa |
| Garvin Mesa | Delta | 6240 | Bowie | Garvin Mesa |
| Geissler Mountain | Pitkin | 13301 | Mount Champion | Geissler Mountain |
| Gem Mountain | Fremont | 8685 | Hillside | Gem Mountain |
| Gemini Peak | Park | 13951 | Mount Sherman | Gemini Peak |
| Genesee Mountain | Jefferson | 8284 | Evergreen | Genesee Mountain |
| Geneva Mountain | Park | 12335 | Mount Evans | Geneva Mountain |
| Geneva Peak | Summit | 13266 | Montezuma | Geneva Peak |
| Mount George | Grand | 12876 | Monarch Lake | Mount George |
| Georgia Mesa | Mesa | 7000 | Molina | Georgia Mesa |
| Getchel Hill | Bent | 4245 | Gilpin | Getchel Hill |
| Gianttrack Mountain | Larimer | 9091 | Longs Peak | Gianttrack Mountain |
| Gibbler Mountain | Mesa | 7628 | Jacks Canyon | Gibbler Mountain |
| Gibbs Peak | Montezuma | 12286 | La Plata | Gibbs Peak |
| Gibson Hill | Summit | 10478 | Breckenridge | Gibson Hill |
| Gibson Peak | Saguache | 12816 | Rito Alto Peak | Gibson Peak |
| Gifford Knoll | Montezuma | 6307 | Mud Creek | Gifford Knoll |
| Gilman Mountain | Larimer | 6266 | Buckeye | Gilman Mountain |
| Gilpin Peak | San Miguel | 13694 | Telluride | Gilpin Peak |
| Glacier Knobs | Larimer | 10285 | McHenrys Peak | Glacier Knobs |
| Glacier Mountain | Summit | 12443 | Keystone | Glacier Mountain |
| Glacier Peak | Summit | 12853 | Boreas Pass | Glacier Peak |
| Glacier Point | La Plata | 13704 | Storm King Peak | Glacier Point |
| Glacken Hill | Logan | 4562 | Glacken Hill | Glacken Hill |
| Glade Mountain | Dolores | 9161 | Glade Mountain | Glade Mountain |
| Gladstone Peak | San Miguel | 13913 | Mount Wilson | Gladstone Peak |
| Mount Glennon | Jefferson | 6473 | Morrison | Mount Glennon |
| Globe Hill | Teller | 10436 | Cripple Creek South | Globe Hill |
| Gnat Hill | Routt | 7130 | Breeze Mountain | Gnat Hill |
| Goat Butte | Pueblo | 5566 | Goat Butte | Goat Butte |
| Goat Hill | Larimer | 5603 | Laporte | Goat Hill |
| Goat Hill | Pueblo | 4735 | Northeast Pueblo | Goat Hill |
| Goat Mountain | Jefferson | 7797 | Platte Canyon | Goat Mountain |
| Goat Mountain | Larimer | 7769 | Cherokee Park | Goat Mountain |
| Gobbler Knob | Eagle | 8301 | Cottonwood Pass | Gobbler Knob |
| Gobblers Knob | Custer | 10781 | Deer Peak | Gobblers Knob |
| Gobblers Knob | Fremont | 7010 | Cotopaxi | Gobblers Knob |
| Gobblers Knob | Las Animas | 5675 | Hidden Valley Ranch | Gobblers Knob |
| Gobblers Knob | Prowers | 4297 | Gobblers Knob | Gobblers Knob |
| Goddard Peak | Phillips | 3990 | Holyoke | Goddard Peak |
| Goemmer Butte | Huerfano | 8043 | Cuchara | Goemmer Butte |
| Gold Dust Peak | Eagle | 13365 | Mount Jackson | Gold Dust Peak |
| Gold Hill | Gunnison | 11900 | Cumberland Pass | Gold Hill |
| Gold Hill | Pitkin | 12361 | New York Peak | Gold Hill |
| Gold Hill | San Miguel | 12736 | Telluride | Gold Hill |
| Gold Hill | Summit | 11952 | Copper Mountain | Gold Hill |
| Golden Age Hill | Boulder | 8378 | Boulder | Golden Age Hill |
| Golden Horn | San Miguel | 13769 | Ophir | Golden Horn |
| Goliath Peak | Clear Creek | 12216 | Idaho Springs | Goliath Peak |
| Good Point | Mesa | 7067 | Escalante Forks | Good Point |
| Goodrich Peak | Mineral | 10595 | Beaver Creek Reservoir | Goodrich Peak |
| Goose Hill | Gunnison | 7986 | Paonia Reservoir | Goose Hill |
| Gore Mountain | Routt | 10687 | Gore Mountain | Gore Mountain |
| Gothic Mountain | Gunnison | 12625 | Oh-be-joyful | Gothic Mountain |
| Gott Mountain | Douglas | 7464 | Devils Head | Gott Mountain |
| Gould Mountain | Jackson | 10390 | Clark Peak | Gould Mountain |
| Graham Mesa | Garfield | 5965 | Silt | Graham Mesa |
| Graham Peak | Hinsdale | 12531 | Granite Peak | Graham Peak |
| Granby Mesa | Grand | 8708 | Granby | Granby Mesa |
| Grand Turk | San Juan | 13148 | Silverton | Grand Turk |
| Grand View Mesa | Delta | 6518 | Grand View Mesa | Grand View Mesa |
| Granite Hills | Teller | 9385 | Divide | Granite Hills |
| Granite Mountain | Chaffee | 12848 | Winfield | Granite Mountain |
| Granite Mountain | Gunnison | 12598 | Whitepine | Granite Mountain |
| Granite Peak | Hinsdale | 10723 | Granite Lake | Granite Peak |
| Granite Peak | Hinsdale | 12147 | Granite Peak | Granite Peak |
| Grannys Nightcap | Grand | 9612 | Whiteley Peak | Grannys Nightcap |
| Grannys Nipple | Grand | 8269 | Whiteley Peak | Grannys Nipple |
| Grass Mesa | Garfield | 6934 | North Mamm Peak | Grass Mesa |
| Grassy Mountain | Garfield | 6854 | Carbonera | Grassy Mountain |
| Grassy Mountain | Hinsdale | 12821 | Lake San Cristobal | Grassy Mountain |
| Grassy Mountain | La Plata | 10286 | Baldy Mountain | Grassy Mountain |
| Grassy Point | Hinsdale | 10290 | Granite Peak | Grassy Point |
| Gravel Mountain | Grand | 11769 | Bowen Mountain | Gravel Mountain |
| Gravel Mountain | Hinsdale | 13577 | Handies Peak | Gravel Mountain |
| Gray Back Peak | El Paso | 9348 | Mount Big Chief | Gray Back Peak |
| Gray Head | San Miguel | 10982 | Gray Head | Gray Head |
| Gray Mountain | Larimer | 6536 | Pinewood Lake | Gray Mountain |
| Gray Needle | San Juan | 13430 | Storm King Peak | Gray Needle |
| Gray Wolf Mountain | Clear Creek | 13602 | Mount Evans | Gray Wolf Mountain |
| Grayback Mountain | Rio Grande | 12616 | Summitville | Grayback Mountain |
| Grayrock Peak | San Juan | 12504 | Engineer Mountain | Grayrock Peak |
| Grays Peak | Clear Creek | 14274 | Grays Peak | Grays Peak |
| Graysill Mountain | San Juan | 12033 | Hermosa Peak | Graysill Mountain |
| Graystone Peak | San Juan | 13489 | Storm King Peak | Graystone Peak |
| Green Knoll | Grand | 12284 | Mount Richthofen | Green Knoll |
| Green Mountain | Boulder | 8144 | Eldorado Springs | Green Mountain |
| Green Mountain | Delta | 10802 | Leon Peak | Green Mountain |
| Green Mountain | Fremont | 9980 | Waugh Mountain | Green Mountain |
| Green Mountain | Grand | 10313 | Grand Lake | Green Mountain |
| Green Mountain | Gunnison | 12696 | Fairview Peak | Green Mountain |
| Green Mountain | Gunnison | 9442 | Iris | Green Mountain |
| Green Mountain | Huerfano | 11385 | Mosca Pass | Green Mountain |
| Green Mountain | Jefferson | 10421 | Green Mountain | Green Mountain |
| Green Mountain | Jefferson | 6855 | Morrison | Green Mountain |
| Green Mountain | Lake | 11880 | Mount Sherman | Green Mountain |
| Green Mountain | Larimer | 7596 | Big Narrows | Green Mountain |
| Green Mountain | Larimer | 9245 | Eaton Reservoir | Green Mountain |
| Green Mountain | Montrose | 8442 | Red Rock Canyon | Green Mountain |
| Green Mountain | Montrose | 8563 | Grizzly Ridge | Green Mountain |
| Green Mountain | Pitkin | 12791 | New York Peak | Green Mountain |
| Green Mountain | Saguache | 10300 | West Baldy | Green Mountain |
| Green Mountain | Saguache | 10930 | Razor Creek Dome | Green Mountain |
| Green Mountain | San Juan | 13049 | Howardsville | Green Mountain |
| Green Mountain | Summit | 9408 | King Creek | Green Mountain |
| Green Mountain | Teller | 10126 | Mount Big Chief | Green Mountain |
| Greenback Mountain | San Miguel | 12997 | Telluride | Greenback Mountain |
| Greenhalgh Mountain | San Juan | 13220 | Howardsville | Greenhalgh Mountain |
| Greenhorn Mountain | Eagle | 9610 | Gypsum | Greenhorn Mountain |
| Greenhorn Mountain | Pueblo | 12347 | San Isabel | Greenhorn Mountain |
| Greenie Mountain | Rio Grande | 11157 | Greenie Mountain | Greenie Mountain |
| Greg Mace Peak | Pitkin | 12528 | Pearl Pass | Greg Mace Peak |
| Gregory Hill | Gilpin | 8847 | Central City | Gregory Hill |
| Greylock Mountain | La Plata | 13575 | Columbine Pass | Greylock Mountain |
| Greyrock Mountain | Larimer | 7613 | Poudre Park | Greyrock Mountain |
| Gribble Mountain | Fremont | 7884 | Gribble Mountain | Gribble Mountain |
| Griffith Mountain | Clear Creek | 11568 | Georgetown | Griffith Mountain |
| Grizzly Mountain | Chaffee | 13723 | Saint Elmo | Grizzly Mountain |
| Grizzly Peak | Dolores | 13738 | Ophir | Grizzly Peak |
| Grizzly Peak | Gunnison | 13281 | Pieplant | Grizzly Peak |
| Grizzly Peak | La Plata | 13708 | Columbine Pass | Grizzly Peak |
| Grizzly Peak | Pitkin | 13988 | Independence Pass | Grizzly Peak |
| Grizzly Peak | Summit | 13427 | Grays Peak | Grizzly Peak |
| Grizzly Ridge | Montrose | 8633 | Grizzly Ridge | Grizzly Ridge |
| Groundhog Mountain | Dolores | 12165 | Groundhog Mountain | Groundhog Mountain |
| Grouse Mountain | Custer | 8466 | Beckwith Mountain | Grouse Mountain |
| Grouse Mountain | Eagle | 12799 | Grouse Mountain | Grouse Mountain |
| Grouse Mountain | Grand | 10367 | Corral Peaks | Grouse Mountain |
| Grouse Mountain | Park | 9898 | Shawnee | Grouse Mountain |
| Grouse Mountain | Rio Grande | 10195 | Beaver Creek Reservoir | Grouse Mountain |
| Grouse Mountain | Routt | 9281 | Hahns Peak | Grouse Mountain |
| Grouse Mountain | Teller | 9881 | Cripple Creek South | Grouse Mountain |
| Mount Guero | Gunnison | 12052 | Mount Guero | Mount Guero |
| Guinn Mountain | Boulder | 11238 | East Portal | Guinn Mountain |
| Gun Barrel Hill | Boulder | 5423 | Niwot | Gun Barrel Hill |
| Mount Gunnison | Gunnison | 12719 | Minnesota Pass | Mount Gunnison |
| Guy Hill | Jefferson | 8104 | Ralston Buttes | Guy Hill |
| Guyot Hill | Teller | 9863 | Cripple Creek South | Guyot Hill |
| Mount Guyot | Summit | 13370 | Boreas Pass | Mount Guyot |
| Gyp Hill | Eagle | 8808 | Red Creek | Gyp Hill |
| Hackett Mountain | Teller | 9424 | Hackett Mountain | Hackett Mountain |
| Hadley Point | Garfield | 9000 | Deep Creek Point | Hadley Point |
| Hagar Mountain | Grand | 13195 | Loveland Pass | Hagar Mountain |
| Hagerman Peak | Pitkin | 13841 | Snowmass Mountain | Hagerman Peak |
| Hagged Mountain | San Juan | 13824 | Storm King Peak | Hagged Mountain |
| Hagues Peak | Larimer | 13560 | Trail Ridge | Hagues Peak |
| Hahns Peak | Routt | 10839 | Hahns Peak | Hahns Peak |
| Half Mountain | Larimer | 11482 | McHenrys Peak | Half Mountain |
| Half Peak | Hinsdale | 13841 | Pole Creek Mountain | Half Peak |
| Hallett Peak | Grand | 12713 | McHenrys Peak | Hallett Peak |
| Hamilton Baldy | Fremont | 9490 | Coaldale | Hamilton Baldy |
| Hamilton Mesa | Montezuma | 5964 | Bowdish Canyon | Hamilton Mesa |
| Hamilton Mesa | Montezuma | 6056 | Bowdish Canyon | Hamilton Mesa |
| Hamilton Mesa | San Miguel | 8978 | North Mountain | Hamilton Mesa |
| Hamilton Peak | Costilla | 13658 | Blanca Peak | Hamilton Peak |
| Hammond Peak | Park | 10091 | Thirtyone Mile Mountain | Hammond Peak |
| Hancock Peak | Gunnison | 12410 | Oh-be-joyful | Hancock Peak |
| Handcart Peak | Summit | 12518 | Montezuma | Handcart Peak |
| Handies Peak | Hinsdale | 14048 | Handies Peak | Handies Peak |
| Handkerchief Mesa | Rio Grande | 11830 | Elwood Pass | Handkerchief Mesa |
| Hanson Mesa | Delta | 5564 | Hotchkiss | Hanson Mesa |
| Hanson Peak | San Juan | 13454 | Handies Peak | Hanson Peak |
| Hardesty Mesa | Las Animas | 6226 | Pine Canyon | Hardesty Mesa |
| Hardscrabble Mountain | Custer | 10402 | Hardscrabble Mountain | Hardscrabble Mountain |
| Hardscrabble Mountain | Eagle | 10805 | The Seven Hermits | Hardscrabble Mountain |
| Harper Hill | Moffat | 7570 | Hamilton | Harper Hill |
| Harrison Hump | Jackson | 9150 | Rabbit Ears Peak | Harrison Hump |
| Harrison Peak | Costilla | 11598 | McCarty Park | Harrison Peak |
| Harts Peak | Dolores | 12540 | Hermosa Peak | Harts Peak |
| Mount Harvard | Chaffee | 14420 | Mount Harvard | Mount Harvard |
| Hastings Mesa | San Miguel | 9613 | Sams | Hastings Mesa |
| Hat Hill | Moffat | 6616 | Maybell | Hat Hill |
| Hat Mountain | Gunnison | 9161 | Marble | Hat Mountain |
| Hat Mountain | Saguache | 10630 | Grouse Creek | Hat Mountain |
| Mount Hatten | Delta | 11310 | Chalk Mountain | Mount Hatten |
| Hawn Mountain | San Miguel | 10922 | Gray Head | Hawn Mountain |
| Hayden Butte | Huerfano | 6850 | Hayden Butte | Hayden Butte |
| Hayden Mountain | Ouray | 13206 | Ironton | Hayden Mountain |
| Hayden Peak | Pitkin | 13561 | Hayden Peak | Hayden Peak |
| Hayden Peak | Saguache | 12135 | Whale Hill | Hayden Peak |
| Hayden Peak | San Miguel | 12987 | Sams | Hayden Peak |
| Hayes Mesa | Mesa | 6125 | Molina | Hayes Mesa |
| Hayrack Mountain | Las Animas | 8630 | Stonewall | Hayrack Mountain |
| Haystack Butte | Larimer | 7872 | Haystack Gulch | Haystack Butte |
| Haystack Butte | Logan | 4173 | Haystack Butte | Haystack Butte |
| Haystack Butte | Pueblo | 5328 | Sanford Hills | Haystack Butte |
| Haystack Mountain | Archuleta | 6586 | Allison | Haystack Mountain |
| Haystack Mountain | Archuleta | 7948 | Lonetree Canyon | Haystack Mountain |
| Haystack Mountain | Boulder | 5588 | Niwot | Haystack Mountain |
| Haystack Mountain | Garfield | 10978 | Hawxhurst Creek | Haystack Mountain |
| Haystack Mountain | Gilpin | 11780 | Empire | Haystack Mountain |
| Haystack Mountain | Grand | 11495 | Parkview Mountain | Haystack Mountain |
| Haystack Mountain | Gunnison | 11021 | Big Soap Park | Haystack Mountain |
| Haystack Mountain | Mesa | 9084 | Quaker Mesa | Haystack Mountain |
| Haystack Mountain | Pitkin | 12206 | Capitol Peak | Haystack Mountain |
| Haystack Mountain | Summit | 9111 | King Creek | Haystack Mountain |
| Haystack Peaks | Mesa | 8740 | Steamboat Mesa | Haystack Peaks |
| Haystack | Pueblo | 5445 | Hog Ranch Canyon | Haystack |
| Hazelton Mountain | San Juan | 12527 | Howardsville | Hazelton Mountain |
| Heart Mountain | Mineral | 10804 | Mount Hope | Heart Mountain |
| Heart Mountain | Routt | 8432 | Sand Point | Heart Mountain |
| Mount Helen | Summit | 13164 | Breckenridge | Mount Helen |
| Mount Helmers | Chaffee | 12858 | Cumberland Pass | Mount Helmers |
| Mount Helmers | Gunnison | 12858 | Cumberland Pass | Mount Helmers |
| Helmet Peak | Montezuma | 11969 | Rampart Hills | Helmet Peak |
| Henry Mountain | Gunnison | 13254 | Fairview Peak | Henry Mountain |
| Mount Herard | Saguache | 13350 | Sand Camp | Mount Herard |
| Mount Herman | El Paso | 9063 | Palmer Lake | Mount Herman |
| Hermit Peak | Hinsdale | 10885 | Hermit Lakes | Hermit Peak |
| Hermit Peak | Saguache | 13322 | Rito Alto Peak | Hermit Peak |
| Hermosa Peak | Dolores | 12579 | Hermosa Peak | Hermosa Peak |
| Mount Herring | Custer | 9292 | Mount Tyndall | Mount Herring |
| Hesperus Mountain | Montezuma | 13232 | La Plata | Hesperus Mountain |
| Heyden Baldy | Fremont | 9021 | Coaldale | Heyden Baldy |
| Hiamovi Mountain | Grand | 12395 | Isolation Peak | Hiamovi Mountain |
| Hicks Mountain | Clear Creek | 10086 | Squaw Pass | Hicks Mountain |
| High Hill | Morgan | 4617 | Judson Hills | High Hill |
| High Mesa | Garfield | 6428 | Parachute | High Mesa |
| High Mesa | Gunnison | 13168 | Sheep Mountain | High Mesa |
| High Mesa | Montrose | 5808 | Olathe | High Mesa |
| High Peak | Jefferson | 8582 | Indian Hills | High Peak |
| High Point | Montrose | 8287 | Grizzly Ridge | High Point |
| High Rock | Bent | 4042 | High Rock | High Rock |
| Highland Peak | Pitkin | 12381 | Highland Peak | Highland Peak |
| Highlands Point | Douglas | 6313 | Highlands Ranch | Highlands Point |
| Hightower Mountain | Mesa | 9555 | Hightower Mountain | Hightower Mountain |
| Hillberry Mountain | Routt | 7662 | Mount Harris | Hillberry Mountain |
| Hilliard Pass | Pitkin | 13409 | Maroon Bells | Hilliard Pass |
| Himes Peak | Garfield | 11201 | Ripple Creek | Himes Peak |
| Hog Point | Montrose | 5825 | Atkinson Creek | Hog Point |
| Hogback Mesa | Rio Grande | 12241 | Del Norte Peak | Hogback Mesa |
| Hogback Mountain | Mineral | 9289 | Workman Creek | Hogback Mountain |
| Hogback Mountain | Pueblo | 7441 | Beulah | Hogback Mountain |
| Holcolm Hills | El Paso | 6935 | Holcolm Hills | Holcolm Hills |
| Holgate Mesa | Pitkin | 7611 | Mount Sopris | Holgate Mesa |
| Holms Mesa | Garfield | 6476 | Rulison | Holms Mesa |
| Holt Mountain | Custer | 9890 | Hardscrabble Mountain | Holt Mountain |
| Mount homas | Eagle | 11977 | Crooked Creek Pass | Mount Thomas |
| Mount homas | Gilpin | 9323 | Black Hawk | Mount Thomas |
| Homestake Peak | Lake | 13209 | Homestake Reservoir | Homestake Peak |
| Hooker Mountain | Routt | 7758 | Hooker Mountain | Hooker Mountain |
| Hoosier Hill | Boulder | 7772 | Gold Hill | Hoosier Hill |
| Hoover Hill | Boulder | 5409 | Niwot | Hoover Hill |
| Hope Mountain | La Plata | 13012 | Columbine Pass | Hope Mountain |
| Mount Hope | Chaffee | 13933 | Mount Elbert | Mount Hope |
| Mount Hope | Mineral | 12834 | Mount Hope | Mount Hope |
| Horn Peak | Custer | 13450 | Horn Peak | Horn Peak |
| Hornsilver Mountain | Eagle | 11570 | Pando | Hornsilver Mountain |
| Horse Mesa | Gunnison | 10093 | Lost Lake | Horse Mesa |
| Horse Mesa | Gunnison | 9755 | Washboard Rock | Horse Mesa |
| Horse Mesa | Mesa | 5408 | Island Mesa | Horse Mesa |
| Horse Mesa | Mesa | 7550 | Triangle Mesa | Horse Mesa |
| Horse Mesa | Montrose | 5935 | Red Canyon | Horse Mesa |
| Horse Mountain | Archuleta | 9947 | Devil Mountain | Horse Mountain |
| Horse Mountain | Eagle | 8643 | Fulford | Horse Mountain |
| Horse Mountain | Eagle | 9603 | Castle Peak | Horse Mountain |
| Horse Mountain | Garfield | 8269 | Storm King Mountain | Horse Mountain |
| Horse Mountain | Garfield | 8482 | The Saddle | Horse Mountain |
| Horse Mountain | Garfield | 9433 | Horse Mountain | Horse Mountain |
| Horse Mountain | Mesa | 10689 | Grand Mesa | Horse Mountain |
| Horse Mountain | Mesa | 5988 | Palisade | Horse Mountain |
| Horse Mountain | Mesa | 9289 | Housetop Mountain | Horse Mountain |
| Horse Mountain | Montezuma | 9100 | Battle Rock | Horse Mountain |
| Horse Mountain | Rio Blanco | 9241 | Slide Creek | Horse Mountain |
| Horse Point | Mesa | 5125 | Grand Junction | Horse Point |
| Horse Range Mesa | San Miguel | 7116 | Horse Range Mesa | Horse Range Mesa |
| Horse Thief Peak | Routt | 10902 | Buffalo Pass | Horse Thief Peak |
| Horsefly Peak | Ouray | 10347 | Horsefly Peak | Horsefly Peak |
| Horseshoe Mountain | Fremont | 7724 | Royal Gorge | Horseshoe Mountain |
| Horseshoe Mountain | Lake | 13898 | Mount Sherman | Horseshoe Mountain |
| Horseshoe Mountain | Rio Grande | 10926 | Horseshoe Mountain | Horseshoe Mountain |
| Horsethief Mountain | Hinsdale | 11187 | Slumgullion Pass | Horsethief Mountain |
| Horsethief Mountain | Mesa | 7844 | De Beque | Horsethief Mountain |
| Horsetooth Mountain | Larimer | 7255 | Horsetooth Reservoir | Horsetooth Mountain |
| Horsetooth Peak | Boulder | 10344 | Allenspark | Horsetooth Peak |
| Hospital Hill | Moffat | 5245 | Hells Canyon | Hospital Hill |
| Houghland Hill | Saguache | 9505 | Lake Mountain NE | Houghland Hill |
| Houghton Mountain | San Juan | 13052 | Handies Peak | Houghton Mountain |
| House Rock | Larimer | 9632 | Panorama Peak | House Rock |
| Housetop Mountain | Mesa | 8297 | Housetop Mountain | Housetop Mountain |
| Houston Mountain | Garfield | 10270 | Rulison | Houston Mountain |
| Howard Mountain | Grand | 12810 | Mount Richthofen | Howard Mountain |
| Howelsen Hill | Routt | 7164 | Steamboat Springs | Howelsen Hill |
| Hoy Mountain | Moffat | 8831 | Hoy Mountain | Hoy Mountain |
| Hubbard Mesa | Garfield | 6409 | Rifle | Hubbard Mesa |
| Huckleberry Hills | Pueblo | 7628 | Rye | Huckleberry Hills |
| Huckleberry Mountain | Custer | 10960 | Beck Mountain | Huckleberry Mountain |
| Huebner Peak | Jefferson | 8635 | Indian Hills | Huebner Peak |
| Huerfanita | Las Animas | 5841 | Dalerose Mesa | Huerfanita |
| Huerfano Butte | Huerfano | 6166 | Huerfano Butte | Huerfano Butte |
| Humboldt Peak | Custer | 14064 | Crestone Peak | Humboldt Peak |
| Humbug Hill | Summit | 11115 | Boreas Pass | Humbug Hill |
| Hunchback Mountain | San Juan | 13136 | Storm King Peak | Hunchback Mountain |
| Hunns Peak | Garfield | 11235 | Deep Lake | Hunns Peak |
| Hunt Mountain | Douglas | 7272 | Dawson Butte | Hunt Mountain |
| Hunter Mesa | Garfield | 6689 | Hunter Mesa | Hunter Mesa |
| Hunter Peak | Pitkin | 13497 | Maroon Bells | Hunter Peak |
| Hunters Hill | Gunnison | 12618 | Pikeview | Hunters Hill |
| Hunts Peak | Saguache | 13067 | Wellsville | Hunts Peak |
| Huntsman Mesa | Gunnison | 10085 | Powderhorn | Huntsman Mesa |
| Huntsman Mountain | Gunnison | 11786 | Placita | Huntsman Mountain |
| Huron Peak | Chaffee | 14003 | Winfield | Huron Peak |
| Hurricane Hill | Boulder | 8770 | Tungsten | Hurricane Hill |
| Hurricane Peak | San Juan | 13447 | Handies Peak | Hurricane Peak |
| Hyannis Peak | Jackson | 11602 | Hyannis Peak | Hyannis Peak |
| Hyatt Hill | Larimer | 7724 | Buckhorn Mountain | Hyatt Hill |
| Ice Mountain | Gunnison | 13951 | Winfield | Ice Mountain |
| Idaho Hill | Gilpin | 10542 | Central City | Idaho Hill |
| Mount Ida | Grand | 12889 | Grand Lake | Mount Ida |
| Iles Mountain | Moffat | 7538 | Monument Butte | Iles Mountain |
| Iles Mountain | Rio Blanco | 8810 | Sleepy Cat Peak | Iles Mountain |
| Mount ileston | Larimer | 11254 | Estes Park | Mount Tileston |
| Mount ilton | Gunnison | 12568 | Pearl Pass | Mount Tilton |
| Independence Mountain | Clear Creek | 11452 | Georgetown | Independence Mountain |
| Independence Mountain | Jefferson | 8370 | Evergreen | Independence Mountain |
| Independence Mountain | Pitkin | 12703 | Independence Pass | Independence Mountain |
| Independence Mountain | Summit | 12614 | Keystone | Independence Mountain |
| Indian Head | Gunnison | 8454 | Parlin | Indian Head |
| Indian Head | Rio Grande | 8427 | Indian Head | Indian Head |
| Indian Lookout Mountain | Boulder | 6533 | Lyons | Indian Lookout Mountain |
| Indian Mesa | La Plata | 6744 | Tiffany | Indian Mesa |
| Indian Mountain | Archuleta | 10477 | Baldy Mountain | Indian Mountain |
| Indian Mountain | Boulder | 6591 | Pinewood Lake | Indian Mountain |
| Indian Mountain | Fremont | 8615 | Arkansas Mountain | Indian Mountain |
| Indian Peak | Mesa | 5572 | Mesa | Indian Peak |
| Ingram Peak | San Miguel | 12552 | Telluride | Ingram Peak |
| Insmont Hill | Lincoln | 8204 | Bailey | Insmont Hill |
| Inspiration Point | Denver | 5415 | Arvada | Inspiration Point |
| Iowa Peak | Chaffee | 13831 | Winfield | Iowa Peak |
| Iron Hill | Custer | 9266 | Rosita | Iron Hill |
| Iron Hill | Gunnison | 9245 | Powderhorn | Iron Hill |
| Iron Hill | Lake | 11026 | Leadville South | Iron Hill |
| Iron Mountain | Eagle | 9227 | Red Cliff | Iron Mountain |
| Iron Mountain | El Paso | 7131 | Manitou Springs | Iron Mountain |
| Iron Mountain | Fremont | 8117 | Iron Mountain | Iron Mountain |
| Iron Mountain | Huerfano | 11411 | Red Wing | Iron Mountain |
| Iron Mountain | Larimer | 12265 | Chambers Lake | Iron Mountain |
| Iron Mountain | Larimer | 8698 | Diamond Peak | Iron Mountain |
| Iron Mountain | Park | 11481 | Como | Iron Mountain |
| Iron Mountain | Routt | 9725 | Hahns Peak | Iron Mountain |
| Iron Mountain | San Miguel | 12747 | Telluride | Iron Mountain |
| Iron Nipple | Huerfano | 13492 | Blanca Peak | Iron Nipple |
| Iron Spring Mesa | Mesa | 8576 | Starvation Point | Iron Spring Mesa |
| Iron Springs Mesa | San Miguel | 8120 | Placerville | Iron Springs Mesa |
| Ironclad Hill | Teller | 10561 | Cripple Creek South | Ironclad Hill |
| Ironclad Mountain | Jackson | 9363 | Spicer Peak | Ironclad Mountain |
| Mount Irving Hale | Grand | 11754 | Isolation Peak | Mount Irving Hale |
| Irving Peak | La Plata | 13218 | Columbine Pass | Irving Peak |
| Island Mesa | Dolores | 9348 | Groundhog Reservoir | Island Mesa |
| Island Mesa | Mesa | 6362 | Island Mesa | Island Mesa |
| Island Mesa | San Miguel | 6975 | Horse Range Mesa | Island Mesa |
| Island Mesa | San Miguel | 8812 | North Mountain | Island Mesa |
| Island Peaks | Montrose | 7631 | Grizzly Ridge | Island Peaks |
| Islet Mountain | Gunnison | 10990 | Pitkin | Islet Mountain |
| Isolation Peak | Boulder | 13118 | Isolation Peak | Isolation Peak |
| Italian Mountain | Gunnison | 13378 | Pearl Pass | Italian Mountain |
| Jack Hall Mountain | Fremont | 11034 | Jack Hall Mountain | Jack Hall Mountain |
| Jack Rabbit Hill | Fremont | 10606 | Salida East | Jack Rabbit Hill |
| Jackson Mountain | Archuleta | 8852 | Jackson Mountain | Jackson Mountain |
| Mount Jackson | Eagle | 13670 | Mount Jackson | Mount Jackson |
| Jackstraw Mountain | Grand | 11704 | Fall River Pass | Jackstraw Mountain |
| Jacobs Hill | Conejos | 9445 | Terrace Reservoir | Jacobs Hill |
| Jacque Peak | Summit | 13205 | Copper Mountain | Jacque Peak |
| James Peak | Clear Creek | 13294 | Empire | James Peak |
| January Mesa | Delta | 6360 | North Delta | January Mesa |
| Jarosa Mesa | Hinsdale | 12054 | Slumgullion Pass | Jarosa Mesa |
| Jarosa Peak | Conejos | 11766 | Cumbres | Jarosa Peak |
| Jefferson Hill | Park | 10511 | Jefferson | Jefferson Hill |
| Jenkins Mountain | Gunnison | 13432 | Pieplant | Jenkins Mountain |
| Jenkins Peak | Jefferson | 8057 | Evergreen | Jenkins Peak |
| Jenny Lind Rock | Moffat | 6098 | Canyon of Lodore South | Jenny Lind Rock |
| Jesus Mesa | Las Animas | 6260 | Cobert Mesa North | Jesus Mesa |
| Jim Robertson Mountain | Moffat | 8935 | Bakers Peak | Jim Robertson Mountain |
| Joe Bush Mountain | Rio Blanco | 8371 | Segar Mountain | Joe Bush Mountain |
| Joe Davis Hill | San Miguel | 7390 | Joe Davis Hill | Joe Davis Hill |
| Joe Hill | Garfield | 9412 | Deep Creek Point | Joe Hill |
| Joe Mills Mountain | Larimer | 11078 | McHenrys Peak | Joe Mills Mountain |
| John Weller Mesa | Moffat | 6902 | Limestone Hill | John Weller Mesa |
| Johnny Bull Mountain | Dolores | 12012 | Rico | Johnny Bull Mountain |
| Johnny Moore Mountain | Jackson | 9050 | Johnny Moore Mountain | Johnny Moore Mountain |
| Jones Hill | Park | 10745 | Jones Hill | Jones Hill |
| Jones Mountain | Chaffee | 13221 | Tincup | Jones Mountain |
| Jones Mountain | San Juan | 13860 | Handies Peak | Jones Mountain |
| Jones Peak | Chaffee | 13571 | Mount Antero | Jones Peak |
| Jones Summit | Montrose | 8266 | Grizzly Ridge | Jones Summit |
| Mount Judge | Clear Creek | 10301 | Squaw Pass | Mount Judge |
| Judson Hills | Morgan | 4921 | Judson Hills | Judson Hills |
| Mount Julian | Larimer | 12928 | Grand Lake | Mount Julian |
| Jumbo Mountain | Delta | 8260 | Bowie | Jumbo Mountain |
| Jumbo Mountain | Gilpin | 9963 | Nederland | Jumbo Mountain |
| Junction Butte | Grand | 8700 | Junction Butte | Junction Butte |
| Juniper Mountain | Moffat | 7874 | Juniper Mountain | Juniper Mountain |
| Jupiter Mountain | La Plata | 13830 | Columbine Pass | Jupiter Mountain |
| Jupitor Mountain | La Plata | 13830 | Columbine Pass | Jupitor Mountain |
| Jura Knob | San Juan | 12614 | Engineer Mountain | Jura Knob |
| Justice Hill | Gilpin | 8764 | Black Hawk | Justice Hill |
| Mount Justice | Gunnison | 11730 | Marble | Mount Justice |
| Kansas Mesa | Mesa | 6256 | Collbran | Kansas Mesa |
| Kataka Mountain | Park | 12441 | Mount Evans | Kataka Mountain |
| Keefe Peak | Pitkin | 13516 | Maroon Bells | Keefe Peak |
| Keep Mountain | Mesa | 9235 | South Mamm Peak | Keep Mountain |
| Keller Mountain | Summit | 13085 | Willow Lakes | Keller Mountain |
| Kelso Mesa | Mesa | 9127 | Snipe Mountain | Kelso Mesa |
| Kelso Mountain | Clear Creek | 13164 | Grays Peak | Kelso Mountain |
| Kendall Mountain | San Juan | 13338 | Silverton | Kendall Mountain |
| Kendall Peak | San Juan | 13451 | Howardsville | Kendall Peak |
| Mount Kennedy | La Plata | 13125 | Mountain View Crest | Mount Kennedy |
| Kenny Mountain | Larimer | 9290 | Panorama Peak | Kenny Mountain |
| Kenosha Mountains | Park | 12429 | Topaz Mountain | Kenosha Mountains |
| Keystone Mountain | Summit | 11835 | Unknown | Keystone Mountain |
| Kimball Mountain | Garfield | 8472 | Middle Dry Fork | Kimball Mountain |
| Mount Kimball | Larimer | 7561 | Cherokee Park | Mount Kimball |
| Kimbell Mesa | Mesa | 6043 | Mesa | Kimbell Mesa |
| Kineo Mountain | El Paso | 9478 | Manitou Springs | Kineo Mountain |
| King Mountain | Routt | 10139 | Toponas | King Mountain |
| King Solomon Mountain | San Juan | 13185 | Howardsville | King Solomon Mountain |
| Kingston Peak | Gilpin | 12147 | Empire | Kingston Peak |
| Kinikin Heights | Montrose | 6950 | Cerro Summit | Kinikin Heights |
| Kinney Peak | Jefferson | 8127 | Conifer | Kinney Peak |
| Kiowa Hill | Conejos | 7848 | Kiowa Hill | Kiowa Hill |
| Kiowa Peak | Boulder | 13276 | Ward | Kiowa Peak |
| Kirchnary Butte | Logan | 4562 | Kirchnavy Butte | Kirchnary Butte |
| Kit Carson Mountain | Saguache | 14165 | Crestone Peak | Kit Carson Mountain |
| Kleins Hill | Moffat | 9048 | Willow Creek Butte | Kleins Hill |
| Klondike Mountain | Boulder | 10770 | Nederland | Klondike Mountain |
| Klondike Mountain | Conejos | 11561 | Platoro | Klondike Mountain |
| Klutter Mountain | Archuleta | 8513 | Edith | Klutter Mountain |
| Knickerbacker Hill | Custer | 9023 | Rosita | Knickerbacker Hill |
| Knife Point | La Plata | 13265 | Storm King Peak | Knife Point |
| Knob Hill | Delta | 5442 | Hotchkiss | Knob Hill |
| Knobtop Mountain | Grand | 12331 | McHenrys Peak | Knobtop Mountain |
| Mount Kreutzer | Gunnison | 13120 | Tincup | Mount Kreutzer |
| Krinder Peak | Jefferson | 8346 | Squaw Pass | Krinder Peak |
| Kruger Mountain | Huerfano | 9498 | Cuchara | Kruger Mountain |
| Kruger Rock | Larimer | 9355 | Panorama Peak | Kruger Rock |
| La Junta Peak | San Miguel | 13472 | Telluride | La Junta Peak |
| La Mesa del Medio | Archuleta | 8412 | Chromo | La Mesa del Medio |
| La Plata Peak | Chaffee | 14361 | Mount Elbert | La Plata Peak |
| Mount Lady Washington | Larimer | 13281 | Longs Peak | Mount Lady Washington |
| Lake Hill | Chaffee | 11592 | Garfield | Lake Hill |
| Lake Hill | Summit | 9349 | Frisco | Lake Hill |
| Lake Mesa | Boulder | 5725 | Louisville | Lake Mesa |
| Lake Mountain | Saguache | 10549 | Lake Mountain | Lake Mountain |
| Lakes Peak | Custer | 13382 | Electric Peak | Lakes Peak |
| Lamb Mountain | Park | 12438 | Fairplay West | Lamb Mountain |
| Lambertson Peak | Gunnison | 13051 | Pearl Pass | Lambertson Peak |
| Lamborn Mesa | Delta | 6090 | Paonia | Lamborn Mesa |
| Mount Lamborn | Delta | 11396 | Paonia | Mount Lamborn |
| Landsend Peak | Delta | 6173 | Paonia | Landsend Peak |
| Landslide Peak | Park | 13238 | Montezuma | Landslide Peak |
| Landslip Mountain | Dolores | 11646 | Rico | Landslip Mountain |
| Landsman Hill | Cheyenne | 4695 | Landsman Hill | Landsman Hill |
| Langridge Dyke | Boulder | 7408 | Eldorado Springs | Langridge Dyke |
| Larkspur Butte | Douglas | 7535 | Greenland | Larkspur Butte |
| Larkspur Mountain | Pitkin | 11427 | Ruedi Reservoir | Larkspur Mountain |
| Larson Peak | Pitkin | 12908 | New York Peak | Larson Peak |
| Last Dollar Mountain | San Miguel | 11129 | Sams | Last Dollar Mountain |
| Mount Law | Mesa | 5801 | De Beque | Mount Law |
| Lay Peak | Moffat | 6667 | Lay | Lay Peak |
| Lead Mountain | Custer | 9726 | Hardscrabble Mountain | Lead Mountain |
| Lead Mountain | Grand | 12537 | Mount Richthofen | Lead Mountain |
| Leavenworth Mountain | Clear Creek | 11098 | Georgetown | Leavenworth Mountain |
| Lee Hill | Boulder | 7903 | Boulder | Lee Hill |
| Legault Mountain | Jefferson | 9074 | Conifer | Legault Mountain |
| Lenawee Mountain | Summit | 13201 | Grays Peak | Lenawee Mountain |
| Lenna Peak | Mesa | 8881 | Porter Mountain | Lenna Peak |
| Lennox Mesa | Delta | 6640 | Bowie | Lennox Mesa |
| Leon Peak | Mesa | 11236 | Bondad Hill | Leon Peak |
| Lester Mountain | Routt | 8827 | Hahns Peak | Lester Mountain |
| Leviathan Peak | San Juan | 13528 | Storm King Peak | Leviathan Peak |
| Lewis Mesa | Montezuma | 7082 | Trail Canyon | Lewis Mesa |
| Lewis Mountain | La Plata | 12655 | La Plata | Lewis Mountain |
| Lily Mountain | Larimer | 9786 | Longs Peak | Lily Mountain |
| Lime Mesa | La Plata | 12093 | Mountain View Crest | Lime Mesa |
| Limestone Hill | Moffat | 6886 | Limestone Hill | Limestone Hill |
| Lincoln Mountain | Clear Creek | 10363 | Georgetown | Lincoln Mountain |
| Lincoln Mountain | Dolores | 7394 | Greenland | Lincoln Mountain |
| Mount Lincoln | Mesa | 6649 | Cameo | Mount Lincoln |
| Mount Lincoln | Park | 14286 | Alma | Mount Lincoln |
| Mount Lindo | Jefferson | 7814 | Indian Hills | Mount Lindo |
| Mount Lindsey | Costilla | 14042 | Blanca Peak | Mount Lindsey |
| Lininger Mountain | Jefferson | 7743 | Evergreen | Lininger Mountain |
| Lion Head | Larimer | 9740 | Panorama Peak | Lion Head |
| Lion Mesa | Gunnison | 8152 | Minnesota Pass | Lion Mesa |
| Lion Point | Rio Grande | 11096 | Greenie Mountain | Lion Point |
| Lions Head | Park | 9463 | Meridian Hill | Lions Head |
| Lions Head | Saguache | 10237 | Houston Gulch | Lions Head |
| Lionshead | Eagle | 9928 | Minturn | Lionshead |
| Mount Lion | Saguache | 10402 | Lake Mountain | Mount Lion |
| Little Agnes Mountain | Routt | 11497 | Mount Zirkel | Little Agnes Mountain |
| Little Agness Mountain | Routt | 11233 | Mount Zirkel | Little Agness Mountain |
| Little Atkinson Mesa | Montrose | 6122 | Atkinson Creek | Little Atkinson Mesa |
| Little Bald Mountain | Larimer | 10429 | Deadman | Little Bald Mountain |
| Little Bald Mountain | Larimer | 7527 | Virginia Dale | Little Bald Mountain |
| Little Baldy Mountain | Custer | 12982 | Horn Peak | Little Baldy Mountain |
| Little Baldy Mountain | Fremont | 9372 | Jack Hall Mountain | Little Baldy Mountain |
| Little Baldy Mountain | Garfield | 9623 | Center Mountain | Little Baldy Mountain |
| Little Baldy Mountain | Park | 12142 | Como | Little Baldy Mountain |
| Little Baldy | Gunnison | 11350 | Whitepine | Little Baldy |
| Little Baldy | Mesa | 9210 | Durango East | Little Baldy |
| Little Bartlett Mountain | Summit | 12935 | Copper Mountain | Little Bartlett Mountain |
| Little Bear Mountain | Gunnison | 10801 | Snowmass Mountain | Little Bear Mountain |
| Little Bear Peak | Alamosa | 14037 | Blanca Peak | Little Bear Peak |
| Little Black Mesa | Baca | 4730 | Big Hole Canyon | Little Black Mesa |
| Little Buck Mountain | Moffat | 8123 | McInturf Mesa | Little Buck Mountain |
| Little Cone | San Miguel | 11981 | Little Cone | Little Cone |
| Little Crampton Mountain | Fremont | 7701 | Gribble Mountain | Little Crampton Mountain |
| Little Dome | Las Animas | 6242 | Little Dome | Little Dome |
| Little Ellen Hill | Lake | 12590 | Climax | Little Ellen Hill |
| Little Emerson Peak | Moffat | 8963 | Bakers Peak | Little Emerson Peak |
| Little Finger | La Plata | 13238 | Snowdon Peak | Little Finger |
| Little Fishers Peak Mesa | Las Animas | 8960 | Fishers Peak | Little Fishers Peak Mesa |
| Little Flat Tops | Rio Blanco | 11215 | Orno Peak | Little Flat Tops |
| Little Giant Peak | San Juan | 13416 | Howardsville | Little Giant Peak |
| Little Gravel Mountain | Grand | 11509 | Radial Mountain | Little Gravel Mountain |
| Little Green Mountain | Summit | 8838 | King Creek | Little Green Mountain |
| Little Haystack Mountain | Jackson | 10681 | Spicer Peak | Little Haystack Mountain |
| Little Hill | Garfield | 9223 | Triangle Park | Little Hill |
| Little Horn Peak | Custer | 13143 | Horn Peak | Little Horn Peak |
| Little Juniper Mountain | Moffat | 6666 | Juniper Hot Springs | Little Juniper Mountain |
| Little Marvine Peaks | Rio Blanco | 11751 | Trappers Lake | Little Marvine Peaks |
| Little Matterhorn | Larimer | 11586 | McHenrys Peak | Little Matterhorn |
| Little Mesa | Montrose | 7220 | Good Point | Little Mesa |
| Little Mountain | Routt | 9492 | Hahns Peak | Little Mountain |
| Little Mountain | Summit | 10050 | Breckenridge | Little Mountain |
| Little Pawnee Peak | Boulder | 12466 | Ward | Little Pawnee Peak |
| Little Pisgah Peak | Teller | 9808 | Cripple Creek South | Little Pisgah Peak |
| Little Red Butte | Pueblo | 7864 | Wetmore | Little Red Butte |
| Little Round Mountain | Mesa | 6493 | Uncompahgre Butte | Little Round Mountain |
| Little Sand Mountain | Gunnison | 9636 | Mount Guero | Little Sand Mountain |
| Little Scraggy Peak | Jefferson | 9192 | Green Mountain | Little Scraggy Peak |
| Little Sheep Mountain | Huerfano | 9610 | Little Sheep Mountain | Little Sheep Mountain |
| Little Sugarloaf Mountain | Eagle | 9885 | Sugarloaf Mountain | Little Sugarloaf Mountain |
| Little Sugarloaf Peak | Clear Creek | 11349 | Georgetown | Little Sugarloaf Peak |
| Little Twins | Larimer | 7522 | Virginia Dale | Little Twins |
| Little Wolford Mountain | Grand | 8807 | Gunsight Pass | Little Wolford Mountain |
| Livermore Mountain | Larimer | 7504 | Livermore Mountain | Livermore Mountain |
| Lizard Head | San Miguel | 13113 | Mount Wilson | Lizard Head |
| LO 7 Hill | Rio Blanco | 8532 | LO 7 Hill | LO 7 Hill |
| Locke Mountain | Fremont | 9246 | Curley Peak | Locke Mountain |
| Loco Hill | Custer | 9852 | Beck Mountain | Loco Hill |
| Loco Mountain | Fremont | 11227 | Waugh Mountain | Loco Mountain |
| Log Hill Mesa | Ouray | 8500 | Horsefly Peak | Log Hill Mesa |
| Log Mesa | Garfield | 8939 | North Mamm Peak | Log Mesa |
| Logan Hill | Boulder | 7791 | Gold Hill | Logan Hill |
| Logan Hill | Park | 9830 | Elkhorn | Logan Hill |
| Mount Logan | Garfield | 8413 | Red Pinnacle | Mount Logan |
| Mount Logan | Park | 12871 | Mount Logan | Mount Logan |
| Loge Peak | Pitkin | 11675 | Aspen | Loge Peak |
| Loma Mujer | Las Animas | 6870 | Barela | Loma Mujer |
| London Mountain | Park | 13194 | Climax | London Mountain |
| Lone Butte | Las Animas | 6692 | Tobe | Lone Butte |
| Lone Cone | Montezuma | 8302 | Point Lookout | Lone Cone |
| Lone Cone | San Miguel | 12613 | Lone Cone | Lone Cone |
| Lone Eagle Peak | Grand | 11920 | Monarch Lake | Lone Eagle Peak |
| Lone Mesa | Baca | 4901 | Goodson School | Lone Mesa |
| Lone Mesa | Dolores | 9215 | South Mountain | Lone Mesa |
| Lone Mesa | Las Animas | 4961 | Brown Canyon | Lone Mesa |
| Lone Mountain | Moffat | 6712 | Lone Mountain | Lone Mountain |
| Lone Mountain | Moffat | 7711 | Skull Creek | Lone Mountain |
| Lone Peak | Jefferson | 8290 | Conifer | Lone Peak |
| Lone Rock Hill | Costilla | 9941 | Russell | Lone Rock Hill |
| Lone Rock | Park | 9205 | Bailey | Lone Rock |
| Lone Rock | Saguache | 9616 | Pine Cone Knob | Lone Rock |
| Lone Spring Butte | Routt | 10252 | Green Ridge | Lone Spring Butte |
| Lone Tree Mesa | Montrose | 6065 | Red Canyon | Lone Tree Mesa |
| Lonesome Peak | Grand | 10588 | Monarch Lake | Lonesome Peak |
| Lonetree Mountain | Larimer | 8365 | Big Narrows | Lonetree Mountain |
| Long and Derry Hill | Lake | 12042 | Mount Sherman | Long and Derry Hill |
| Long Branch Baldy | Saguache | 11974 | Sargents Mesa | Long Branch Baldy |
| Long Canyon Hill | Las Animas | 4982 | Brown Canyon | Long Canyon Hill |
| Long Mesa | Mesa | 5487 | Palisade | Long Mesa |
| Long Mesa | Mesa | 5629 | Sieber Canyon | Long Mesa |
| Long Mesa | Mesa | 6305 | Calamity Mesa | Long Mesa |
| Long Mesa | Mesa | 7905 | Escalante Forks | Long Mesa |
| Long Mesa | Montezuma | 8124 | Corte | Long Mesa |
| Long Mesa | Montezuma | 8124 | Corte | Long Mesa |
| Long Mesa | Montrose | 5865 | Atkinson Creek | Long Mesa |
| Long Mountain | La Plata | 7072 | Long Mountain | Long Mountain |
| Long Mountain | Moffat | 9273 | Fly Creek | Long Mountain |
| Long Point Mountain | Mesa | 9378 | Snipe Mountain | Long Point Mountain |
| Long Point | Mesa | 5792 | Mesa | Long Point |
| Long Scraggy Peak | Jefferson | 8812 | Deckers | Long Scraggy Peak |
| Long Trek Mountain | Archuleta | 12866 | Elwood Pass | Long Trek Mountain |
| Longs Peak | Boulder | 14255 | Longs Peak | Longs Peak |
| Lookout Mountain | Boulder | 10715 | Allenspark | Lookout Mountain |
| Lookout Mountain | Conejos | 12448 | Summitville | Lookout Mountain |
| Lookout Mountain | Custer | 9375 | Mount Tyndall | Lookout Mountain |
| Lookout Mountain | Fremont | 8502 | Hillside | Lookout Mountain |
| Lookout Mountain | Garfield | 8330 | Douglas Pass | Lookout Mountain |
| Lookout Mountain | Garfield | 8643 | Glenwood Springs | Lookout Mountain |
| Lookout Mountain | Gunnison | 11103 | Pitkin | Lookout Mountain |
| Lookout Mountain | Jefferson | 7374 | Morrison | Lookout Mountain |
| Lookout Mountain | Larimer | 10626 | Crystal Mountain | Lookout Mountain |
| Lookout Mountain | Moffat | 8120 | Sheepherder Springs | Lookout Mountain |
| Lookout Mountain | Rio Grande | 8475 | Del Norte | Lookout Mountain |
| Lookout Mountain | Saguache | 11516 | Lookout Mountain | Lookout Mountain |
| Lookout Peak | San Miguel | 13661 | Ophir | Lookout Peak |
| Lookout Point | Teller | 9475 | Cripple Creek South | Lookout Point |
| Los Mogotes | Conejos | 9818 | Fox Creek | Los Mogotes |
| Lost Lakes Peaks | Garfield | 11818 | Devils Causeway | Lost Lakes Peaks |
| Lost Mountain | Chaffee | 12623 | Garfield | Lost Mountain |
| Lost Ranger Peak | Jackson | 11932 | Mount Ethel | Lost Ranger Peak |
| Love Mesa | Mesa | 9045 | Snipe Mountain | Love Mesa |
| Loveland Mountain | Park | 13692 | Leadville North | Loveland Mountain |
| Lucas Hill | Moffat | 6327 | Bald Mountain | Lucas Hill |
| Ludwig Mountain | La Plata | 8191 | Ludwig Mountain | Ludwig Mountain |
| Lulu Mountain | Jackson | 12228 | Fall River Pass | Lulu Mountain |
| Lytle Point | Montrose | 8160 | Grizzly Ridge | Lytle Point |
| M F Mountain | Moffat | 7082 | M F Mountain | M F Mountain |
| MacGregor Mountain | Larimer | 10486 | Estes Park | MacGregor Mountain |
| Mount Machebeuf | Clear Creek | 12805 | Grays Peak | Mount Machebeuf |
| Mack Mesa | Mesa | 4723 | Highline Lake | Mack Mesa |
| Macomber Peak | San Juan | 13222 | Howardsville | Macomber Peak |
| Madden Peak | Montezuma | 11972 | La Plata | Madden Peak |
| Maggies Knob | Pueblo | 5389 | Verde School | Maggies Knob |
| Maggies Nipple | Garfield | 10955 | Orno Peak | Maggies Nipple |
| Maggies Nipple | Moffat | 7456 | Easton Gulch | Maggies Nipple |
| Mahana Peak | Boulder | 12632 | Isolation Peak | Mahana Peak |
| Maigatter Knob | Mesa | 6869 | Collbran | Maigatter Knob |
| Mail Trail Mesa | Montezuma | 5327 | Wickiup Canyon | Mail Trail Mesa |
| Malemute Peak | Pitkin | 13348 | Hayden Peak | Malemute Peak |
| Mammoth Hill | Gilpin | 8845 | Central City | Mammoth Hill |
| Mammoth Mountain | Conejos | 11385 | Platoro | Mammoth Mountain |
| Mammoth Mountain | Saguache | 11644 | San Luis Peak | Mammoth Mountain |
| Manganese Peak | Gunnison | 11180 | Matchless Mountain | Manganese Peak |
| Manhead Mountain | Larimer | 7978 | Big Narrows | Manhead Mountain |
| Mansfield Hill | Larimer | 9698 | Old Roach | Mansfield Hill |
| Many Thunders Mountain | Larimer | 8529 | Red Feather Lakes | Many Thunders Mountain |
| Maraquita Peak | Las Animas | 3405 | El Valle Creek | Maraquita Peak |
| Marble Mountain | Montezuma | 8572 | Battle Rock | Marble Mountain |
| Marble Mountain | Rio Grande | 12124 | Jasper | Marble Mountain |
| Marble Mountain | Saguache | 13266 | Crestone Peak | Marble Mountain |
| Marcellina Mountain | Gunnison | 11348 | Marcellina Mountain | Marcellina Mountain |
| Mariana Butte | Larimer | 5269 | Masonville | Mariana Butte |
| Mariquita Peak | Las Animas | 13405 | El Valle Creek | Mariquita Peak |
| Marker Hill | Grand | 9075 | Fraser | Marker Hill |
| Marks Butte | Sedgwick | 4072 | Marks Butte | Marks Butte |
| Marmot Peak | Chaffee | 11735 | Marmot Peak | Marmot Peak |
| Marmot Point | Larimer | 11909 | Trail Ridge | Marmot Point |
| Maroon Peak | Pitkin | 14156 | Maroon Bells | Maroon Peak |
| Marten Peak | Grand | 12041 | Isolation Peak | Marten Peak |
| Marthas Peak | Moffat | 8318 | Tanks Peak | Marthas Peak |
| Martin Mesa | Montrose | 7014 | Davis Mesa | Martin Mesa |
| Martlnad Peak | Park | 11289 | Glentivar | Martlnad Peak |
| Maryland Mountain | Gilpin | 9203 | Central City | Maryland Mountain |
| Marys Mountain | El Paso | 9845 | Manitou Springs | Marys Mountain |
| Matchless Mountain | Gunnison | 12383 | Matchless Mountain | Matchless Mountain |
| Matterhorn Peak | Hinsdale | 13590 | Uncompahgre Peak | Matterhorn Peak |
| Mayflower Hill | Summit | 12416 | Copper Mountain | Mayflower Hill |
| Mays Peak | El Paso | 8283 | Manitou Springs | Mays Peak |
| Mc Alpin Mountain | Routt | 9180 | Clark | Mc Alpin Mountain |
| Mc Arthur Mountain | Pitkin | 12139 | Hayden Peak | Mc Arthur Mountain |
| Mc Cartney Mesa | Pitkin | 8881 | Basalt | Mc Cartney Mesa |
| Mc Clelland Mountain | Mineral | 10910 | Lake Humphreys | Mc Clelland Mountain |
| Mc Clure Mountain | Fremont | 8129 | Iron Mountain | Mc Clure Mountain |
| Mc Curdy Mountain | Park | 12168 | McCurdy Mountain | Mc Curdy Mountain |
| Mc Intosh Mountain | Gunnison | 9523 | McIntosh Mountain | Mc Intosh Mountain |
| Mc Inturf Mesa | Moffat | 8118 | McInturf Mesa | Mc Inturf Mesa |
| Mc Intyre Hills | Fremont | 8084 | McIntyre Hills | Mc Intyre Hills |
| Mc Intyre Mountain | Park | 9515 | Witcher Mountain | Mc Intyre Mountain |
| Mc Kenna Peak | San Miguel | 7943 | McKenna Peak | Mc Kenna Peak |
| Mc Kenzie Butte | Ouray | 8017 | Colona | Mc Kenzie Butte |
| Mc Kenzie Mountain | Mineral | 11756 | San Luis Peak | Mc Kenzie Mountain |
| Mc Kinley Mountain | Custer | 8541 | Curley Peak | Mc Kinley Mountain |
| Mc Kinley Peak | El Paso | 10445 | Mount Big Chief | Mc Kinley Peak |
| Mc Millan Peak | San Juan | 12804 | Ironton | Mc Millan Peak |
| Mc Namee Peak | Lake | 13790 | Climax | Mc Namee Peak |
| McBride Butte | Las Animas | 6374 | Abeyta | McBride Butte |
| McCauley Peak | La Plata | 13554 | Columbine Pass | McCauley Peak |
| McDonald Mesa | Delta | 7080 | Paonia | McDonald Mesa |
| McHenrys Peak | Grand | 13327 | McHenrys Peak | McHenrys Peak |
| McIntyre Peak | Conejos | 10561 | Osier | McIntyre Peak |
| McNamee Peak | Lake | 13750 | Climax | McNamee Peak |
| Meaden Peak | Routt | 10561 | Meaden Peak | Meaden Peak |
| Meadow Mountain | Boulder | 11632 | Allenspark | Meadow Mountain |
| Meadow Mountain | Gunnison | 12851 | Snowmass Mountain | Meadow Mountain |
| Mears Peak | Ouray | 13496 | Mount Sneffels | Mears Peak |
| Meeker Dome | Rio Blanco | 6692 | Rattlesnake Mesa | Meeker Dome |
| Mellen Hill | Rio Blanco | 6350 | Mellen Hill | Mellen Hill |
| Melvina Hill | Boulder | 7451 | Gold Hill | Melvina Hill |
| Mendoza Peak | Ouray | 13275 | Telluride | Mendoza Peak |
| Menefee Mountain | Montezuma | 8824 | Thompson Park | Menefee Mountain |
| Menefee Peak | Montezuma | 8824 | Thompson Park | Menefee Peak |
| Meredith Hill | Otero | 4402 | Meredith Hill | Meredith Hill |
| Meridian Hill | Park | 11490 | Meridian Hill | Meridian Hill |
| Merker Hills | Otero | 4990 | Bloom | Merker Hills |
| Mesa Cortado | Archuleta | 8556 | Chromo | Mesa Cortado |
| Mesa de Maya | Las Animas | 6594 | Cobert Mesa North | Mesa de Maya |
| Mesa De Maya | Las Animas | 6594 | Cobert Mesa North | Mesa De Maya |
| Mesa Inclinado | Montrose | 7740 | Grizzly Ridge | Mesa Inclinado |
| Mesa Lato | Hinsdale | 12675 | Emerald Lake | Mesa Lato |
| Mesa Mountain | Saguache | 12985 | Mesa Mountain | Mesa Mountain |
| Mesa Pedregosa | Archuleta | 8172 | Chromo | Mesa Pedregosa |
| Mesa Seco | Hinsdale | 12800 | Cannibal Plateau | Mesa Seco |
| Mesita Hill | Costilla | 7794 | Sky Valley Ranch | Mesita Hill |
| Mesita Negra | Las Animas | 7003 | Barela | Mesita Negra |
| Methodist Mountain | Chaffee | 11655 | Poncha Pass | Methodist Mountain |
| Metroz Mountain | Mineral | 11892 | Mount Hope | Metroz Mountain |
| Mica Butte | Las Animas | 5764 | Hidden Valley Ranch | Mica Butte |
| Michigan Hill | Gilpin | 10212 | Central City | Michigan Hill |
| Michigan Hill | Jackson | 8648 | Gould | Michigan Hill |
| Michigan Hill | Park | 9942 | Milligan Lakes | Michigan Hill |
| Middle Bald Mountain | Larimer | 11002 | South Bald Mountain | Middle Bald Mountain |
| Middle Baldy Mountain | Gunnison | 12598 | West Elk Peak | Middle Baldy Mountain |
| Middle Baldy | Gunnison | 12709 | West Elk Peak | Middle Baldy |
| Middle Baldy | Saguache | 11685 | West Baldy | Middle Baldy |
| Middle Carter Mountain | Grand | 8958 | Whiteley Peak | Middle Carter Mountain |
| Middle Knob | Custer | 10185 | Beck Mountain | Middle Knob |
| Middle Mesa | La Plata | 6982 | Tiffany | Middle Mesa |
| Middle Mesa | Las Animas | 5894 | Jesus Canyon | Middle Mesa |
| Middle Mesa | Mesa | 8266 | Keith Creek | Middle Mesa |
| Middle Mountain | Archuleta | 9716 | Chris Mountain | Middle Mountain |
| Middle Mountain | Chaffee | 13060 | Winfield | Middle Mountain |
| Middle Mountain | Chaffee | 13100 | Independence Pass | Middle Mountain |
| Middle Mountain | Eagle | 12618 | Mount Jackson | Middle Mountain |
| Middle Mountain | La Plata | 10575 | Vallecito Reservoir | Middle Mountain |
| Middle Mountain | Larimer | 9344 | Deadman | Middle Mountain |
| Middle Mountain | Moffat | 9559 | Beaver Basin | Middle Mountain |
| Middle Mountain | Rio Blanco | 9141 | Triangle Park | Middle Mountain |
| Middle Mountain | Rio Blanco | 9218 | Red Elephant Point | Middle Mountain |
| Middle Mountain | Routt | 9037 | Tumble Mountain | Middle Mountain |
| Middle Mountain | San Juan | 12984 | Howardsville | Middle Mountain |
| Middle Peak | San Miguel | 13261 | Dolores Peak | Middle Peak |
| Middle White Peak | Huerfano | 10334 | Cucharas Pass | Middle White Peak |
| Midland Hill | Chaffee | 9556 | Buena Vista East | Midland Hill |
| Mill Hill | Saguache | 8927 | Doyleville | Mill Hill |
| Miller Hill | Gunnison | 9850 | Rudolph Hill | Miller Hill |
| Miller Mesa | Otero | 4345 | Thompson Arroyo | Miller Mesa |
| Miller Mesa | Ouray | 8730 | Mount Sneffels | Miller Mesa |
| Miller Mountain | La Plata | 11740 | Lemon Reservoir | Miller Mountain |
| Miller Rock | Boulder | 8646 | Raymond | Miller Rock |
| Milner Mountain | Larimer | 6881 | Masonville | Milner Mountain |
| Milwaukee Hill | Saguache | 10561 | Crestone Peak | Milwaukee Hill |
| Milwaukee Peak | Saguache | 13522 | Crestone Peak | Milwaukee Peak |
| Mineral Hill | Summit | 10890 | Boreas Pass | Mineral Hill |
| Mineral Hill | Teller | 10225 | Cripple Creek North | Mineral Hill |
| Mineral Mountain | Boulder | 10335 | Nederland | Mineral Mountain |
| Mineral Mountain | Hinsdale | 12097 | Mineral Mountain | Mineral Mountain |
| Mineral Point | Grand | 11488 | Bowen Mountain | Mineral Point |
| Mineral Point | Gunnison | 12506 | Oh-be-joyful | Mineral Point |
| Miners Peak | Las Animas | 5742 | Miners Peak | Miners Peak |
| Minnie Mountain | Hinsdale | 10650 | Hermit Lakes | Minnie Mountain |
| Minter Hill | Morgan | 4774 | Judson Hills | Minter Hill |
| Miramonte Mountain | Gilpin | 9591 | Tungsten | Miramonte Mountain |
| Miranda Peak | Costilla | 13468 | El Valle Creek | Miranda Peak |
| Missouri Hill | Chaffee | 12707 | Garfield | Missouri Hill |
| Missouri Hill | Lake | 10945 | Leadville North | Missouri Hill |
| Missouri Mountain | Chaffee | 14067 | Winfield | Missouri Mountain |
| Mitchell Mountain | Custer | 8440 | Westcliffe | Mitchell Mountain |
| Mitre Peak | Teller | 8564 | Cripple Creek South | Mitre Peak |
| Moccasin Head | Montezuma | 7018 | Moccasin Mesa | Moccasin Head |
| Moccasin Mesa | Montezuma | 8323 | Point Lookout | Moccasin Mesa |
| Mock Hill | Custer | 9770 | Hardscrabble Mountain | Mock Hill |
| Mockingbird Mesa | Montezuma | 6460 | Negro Canyon | Mockingbird Mesa |
| Molly and Mable | Logan | 4404 | Kirchnavy Butte | Molly and Mable |
| Monitor Mesa | Montrose | 9065 | Moore Mesa | Monitor Mesa |
| Monitor Peak | La Plata | 13695 | Storm King Peak | Monitor Peak |
| Monitor Rock | Lake | 10556 | Mount Elbert | Monitor Rock |
| Monkey Face | Douglas | 7719 | Larkspur | Monkey Face |
| Monogram Mesa | Montrose | 7167 | Bull Canyon | Monogram Mesa |
| Monon Hill | Mineral | 9129 | Creede | Monon Hill |
| Montana Mountain | Gilpin | 10948 | Central City | Montana Mountain |
| Monte Camado | Archuleta | 7388 | Pagosa Junction | Monte Camado |
| Montezuma Mesa | Archuleta | 7803 | Trujillo | Montezuma Mesa |
| Montezuma Peak | Archuleta | 13150 | Summit Peak | Montezuma Peak |
| Monument Butte | Moffat | 7248 | Monument Butte | Monument Butte |
| Monument Hill | Boulder | 8045 | Gold Hill | Monument Hill |
| Monument Hill | La Plata | 10848 | Monument Hill | Monument Hill |
| Monument Hill | Mesa | 9519 | Snipe Mountain | Monument Hill |
| Monument Hill | Moffat | 5962 | Clay Buttes | Monument Hill |
| Monument Mesa | Mesa | 6606 | Colorado National Monument | Monument Mesa |
| Monument Peak | Garfield | 9196 | Rio Blanco | Monument Peak |
| Monument Peak | Mineral | 10662 | Spar City | Monument Peak |
| Monument Rock | El Paso | 7256 | Palmer Lake | Monument Rock |
| Monument Rock | Mesa | 8386 | Glade Park | Monument Rock |
| Monumental Peak | Gunnison | 13375 | Garfield | Monumental Peak |
| Moody Hill | Larimer | 7897 | Buckhorn Mountain | Moody Hill |
| Moon Hill | Routt | 8020 | Clark | Moon Hill |
| Moon Mesa | Mesa | 6050 | Calamity Mesa | Moon Mesa |
| Mooney Hills | Las Animas | 5808 | Mooney Hills | Mooney Hills |
| Moore Mesa | Montrose | 9002 | Moore Mesa | Moore Mesa |
| Moose Head Mountain | Moffat | 8495 | Lazy Y Point | Moose Head Mountain |
| Moose Mountain | Larimer | 8075 | Pinewood Lake | Moose Mountain |
| Morgan Peak | Summit | 12474 | Montezuma | Morgan Peak |
| Mormon Mesa | Mesa | 7003 | Molina | Mormon Mesa |
| Morrisania Mesa | Garfield | 6049 | Rulison | Morrisania Mesa |
| Morse Mountain | Grand | 10351 | Bottle Pass | Morse Mountain |
| Mosquito Mountain | Mesa | 10489 | Flatiron Mountain | Mosquito Mountain |
| Mosquito Peak | Lake | 13781 | Climax | Mosquito Peak |
| Mothers Hill | Bent | 4519 | Rock Canyon | Mothers Hill |
| Mud Hill | Mesa | 8599 | Hightower Mountain | Mud Hill |
| Mud Hill | Park | 9293 | Observatory Rock | Mud Hill |
| Mule Mountain | Archuleta | 8921 | Devil Mountain | Mule Mountain |
| Mummy Mountain | Larimer | 13425 | Estes Park | Mummy Mountain |
| Music Mesa | Costilla | 8576 | Mesito Reservoir | Music Mesa |
| Music Mountain | Saguache | 13355 | Crestone Peak | Music Mountain |
| Nakai Peak | Grand | 12216 | Grand Lake | Nakai Peak |
| Napoleon Mountain | Gunnison | 12563 | Cumberland Pass | Napoleon Mountain |
| Napoleon Peak | Huerfano | 11866 | Trinchera Peak | Napoleon Peak |
| Narraguinnep Mountain | Dolores | 9031 | Narraguinnep Mountain | Narraguinnep Mountain |
| Mount Nast | Pitkin | 12467 | Nast | Mount Nast |
| Navajo Hill | Montezuma | 8123 | Point Lookout | Navajo Hill |
| Navajo Peak | Archuleta | 11323 | Chama Peak | Navajo Peak |
| Navajo Peak | Boulder | 13409 | Monarch Lake | Navajo Peak |
| Mount Nebo | San Juan | 13205 | Storm King Peak | Mount Nebo |
| Nebraska Hill | Gilpin | 11534 | East Portal | Nebraska Hill |
| Needle Mountains Peak Eight | San Juan | 13228 | Storm King Peak | Needle Mountains Peak Eight |
| Needle Mountains Peak Eleven | La Plata | 13460 | Storm King Peak | Needle Mountains Peak Eleven |
| Needle Mountains Peak Five | San Juan | 13283 | Storm King Peak | Needle Mountains Peak Five |
| Needle Mountains Peak Fourteen | San Juan | 12580 | Snowdon Peak | Needle Mountains Peak Fourteen |
| Needle Mountains Peak Four | San Juan | 13410 | Storm King Peak | Needle Mountains Peak Four |
| Needle Mountains Peak Nine | San Juan | 13402 | Storm King Peak | Needle Mountains Peak Nine |
| Needle Mountains Peak One | San Juan | 13589 | Storm King Peak | Needle Mountains Peak One |
| Needle Mountains Peak Seven | San Juan | 13682 | Storm King Peak | Needle Mountains Peak Seven |
| Needle Mountains Peak Sixteen | La Plata | 13290 | Snowdon Peak | Needle Mountains Peak Sixteen |
| Needle Mountains Peak Six | San Juan | 13705 | Storm King Peak | Needle Mountains Peak Six |
| Needle Mountains Peak Ten | San Juan | 13569 | Storm King Peak | Needle Mountains Peak Ten |
| Needle Mountains Peak Thirteen | San Juan | 13705 | Storm King Peak | Needle Mountains Peak Thirteen |
| Needle Mountains Peak Three | San Juan | 13478 | Storm King Peak | Needle Mountains Peak Three |
| Needle Mountains Peak Two | San Juan | 13475 | Storm King Peak | Needle Mountains Peak Two |
| Neff Mountain | Conejos | 10888 | Cumbres | Neff Mountain |
| Negro Hill | Gilpin | 9089 | Central City | Negro Hill |
| Negro Mesa | Delta | 6326 | North Delta | Negro Mesa |
| Nelson Hill | Las Animas | 5104 | Plug Hat Ranch | Nelson Hill |
| Nelson Mountain | Mineral | 12090 | San Luis Peak | Nelson Mountain |
| Nemrick Butte | Douglas | 7465 | Greenland | Nemrick Butte |
| Neoga Mountain | Hinsdale | 10902 | Lake City | Neoga Mountain |
| Mount Neota | Larimer | 11734 | Fall River Pass | Mount Neota |
| Nero Hill | Crowley | 4621 | Nero Hill | Nero Hill |
| Nevada Hill | Gilpin | 9162 | Central City | Nevada Hill |
| Mount Neva | Grand | 12814 | Monarch Lake | Mount Neva |
| New York Mountain | Eagle | 12550 | Grouse Mountain | New York Mountain |
| New York Peak | Pitkin | 12811 | New York Peak | New York Peak |
| Newman Hill | Dolores | 9889 | Rico | Newman Hill |
| Niagara Peak | San Juan | 13807 | Handies Peak | Niagara Peak |
| Nick Mountain | Mesa | 8880 | Mesa Lakes | Nick Mountain |
| Mount Niehardt | Saguache | 12863 | Electric Peak | Mount Niehardt |
| Nighthawk Hill | Douglas | 7212 | Deckers | Nighthawk Hill |
| Mount Nimbus | Grand | 12706 | Mount Richthofen | Mount Nimbus |
| Ninemile Hill | Bent | 4259 | Gilpin | Ninemile Hill |
| Ninemile Hill | Gunnison | 9011 | Powderhorn | Ninemile Hill |
| Ninemile Hill | Mesa | 6344 | Triangle Mesa | Ninemile Hill |
| Ninemile Hill | Moffat | 6051 | Ninemile Hill | Ninemile Hill |
| Ninemile Mountain | Grand | 9681 | Bottle Pass | Ninemile Mountain |
| Nipple Mountain | Archuleta | 12086 | Blackhead Peak | Nipple Mountain |
| Nipple Mountain | Dolores | 9763 | Nipple Mountain | Nipple Mountain |
| Nipple Mountain | Fremont | 10042 | Big Bull Mountain | Nipple Mountain |
| Nipple Mountain | Fremont | 12199 | Coaldale | Nipple Mountain |
| Nipple Peak | Routt | 10324 | Meaden Peak | Nipple Peak |
| Nisa Mountain | Grand | 10788 | Grand Lake | Nisa Mountain |
| Niwot Mountain | Boulder | 11471 | Ward | Niwot Mountain |
| No Mans Mesa | Mesa | 5757 | Triangle Mesa | No Mans Mesa |
| Noddle Heads | Douglas | 8224 | Deckers | Noddle Heads |
| Nola Butte | Las Animas | 5969 | Trinchera | Nola Butte |
| Nonans Peak | Fremont | 6901 | Royal Gorge | Nonans Peak |
| North Arapaho Peak | Boulder | 13502 | Monarch Lake | North Arapaho Peak |
| North Bald Mountain | Larimer | 10982 | South Bald Mountain | North Bald Mountain |
| North Baldy Mountain | Gunnison | 12850 | West Elk Peak | North Baldy Mountain |
| North Burno Mountain | Fremont | 9533 | Waugh Mountain | North Burno Mountain |
| North Cinder Butte | La Plata | 6570 | Pinkerton Mesa | North Cinder Butte |
| North Eolus | La Plata | 14039 | Storm King Peak | North Eolus |
| North Hardscrabble Mountain | Eagle | 9153 | Suicide Mountain | North Hardscrabble Mountain |
| North Mamm Peak | Garfield | 11123 | North Mamm Peak | North Mamm Peak |
| North Maroon Peak | Pitkin | 14014 | Maroon Bells | North Maroon Peak |
| North Mesa | Montrose | 5743 | Olathe | North Mesa |
| North Middle Mountain | Larimer | 8864 | Glendevey | North Middle Mountain |
| North Mountain | Rio Grande | 12754 | Summitville | North Mountain |
| North Mountain | San Miguel | 9887 | North Mountain | North Mountain |
| North Peak | Huerfano | 12220 | San Isabel | North Peak |
| North Pole Peak | San Miguel | 12208 | Sams | North Pole Peak |
| North Rattlesnake Butte | Huerfano | 6439 | North Rattlesnake Butte | North Rattlesnake Butte |
| North Rawah Peak | Larimer | 12473 | Rawah Lakes | North Rawah Peak |
| North Reiradon Hill | Logan | 4511 | Reiradon Hill | North Reiradon Hill |
| North Ryder Peak | Grand | 9844 | Whiteley Peak | North Ryder Peak |
| North Saddle Peak | Delta | 9728 | Crawford | North Saddle Peak |
| North Sheep Mountain | Boulder | 8283 | Raymond | North Sheep Mountain |
| North Sheep Mountain | Eagle | 12436 | Copper Mountain | North Sheep Mountain |
| North Star Mountain | Summit | 13500 | Breckenridge | North Star Mountain |
| North Table Mountain | Jefferson | 6551 | Golden | North Table Mountain |
| North Tarryall Peak | Park | 11902 | Topaz Mountain | North Tarryall Peak |
| North Twilight Peak | San Juan | 13075 | Snowdon Peak | North Twilight Peak |
| North Twin Cone Peak | Park | 12319 | Mount Logan | North Twin Cone Peak |
| North White Peak | Huerfano | 10158 | Cuchara | North White Peak |
| Notch Mountain | Eagle | 13237 | Mount of the Holy Cross | Notch Mountain |
| Notchtop Mountain | Larimer | 12129 | McHenrys Peak | Notchtop Mountain |
| Nugget Hill | Boulder | 8582 | Gold Hill | Nugget Hill |
| Mount Nystrom | Grand | 12652 | Byers Peak | Mount Nystrom |
| Nyswonger Mesa | Montrose | 6713 | Paradox | Nyswonger Mesa |
| O V Mesa | Las Animas | 5410 | O V Mesa | O V Mesa |
| Oak Brush Hill | Archuleta | 8628 | Oakbrush Hill | Oak Brush Hill |
| Oak Grove Mountain | Custer | 8204 | Westcliffe | Oak Grove Mountain |
| Oak Hill | Mesa | 8174 | Glade Park | Oak Hill |
| Oak Hill | Montrose | 8473 | Davis Point | Oak Hill |
| Oak Hill | San Miguel | 8502 | Oak Hill | Oak Hill |
| Oak Mesa | Delta | 8702 | Gray Reservoir | Oak Mesa |
| Oakbrush Hill | Archuleta | 8069 | Pagosa Springs | Oakbrush Hill |
| Observatory Rock | Park | 10073 | Observatory Rock | Observatory Rock |
| Mount of the Holy Cross | Eagle | 14005 | Mount of the Holy Cross | Mount of the Holy Cross |
| Offield Mountain | Moffat | 8175 | Canyon of Lodore North | Offield Mountain |
| Ogalalla Peak | Grand | 13138 | Isolation Peak | Ogalalla Peak |
| Oh-be-joyful Peak | Gunnison | 12420 | Oh-be-joyful | Oh-be-joyful Peak |
| Ohio Peak | Gunnison | 12271 | Mount Axtell | Ohio Peak |
| Ohio Peak | San Juan | 12673 | Silverton | Ohio Peak |
| Oil Spring Mountain | Rio Blanco | 8550 | East Evacuation Creek | Oil Spring Mountain |
| Oil Well Mountain | Mesa | 10085 | Spruce Mountain | Oil Well Mountain |
| Ojito Peak | Costilla | 10458 | Ojito Peak | Ojito Peak |
| Oklahoma Mount | Pitkin | 13845 | Mount Champion | Oklahoma Mount |
| Old Baldy | Grand | 11809 | Ute Peak | Old Baldy |
| Old Baldy | Rio Blanco | 8040 | Devils Hole Gulch | Old Baldy |
| Old Baldy | Rio Blanco | 8525 | Fawn Creek | Old Baldy |
| Old Baldy | Yuma | 4070 | Old Baldy | Old Baldy |
| Old Man Mountain | Mesa | 8605 | Collbran | Old Man Mountain |
| Oldman Mountain | Larimer | 8310 | Estes Park | Oldman Mountain |
| Olga Little Mountain | La Plata | 11426 | Monument Hill | Olga Little Mountain |
| Mount Oliphant | Moffat | 10670 | Freeman Reservoir | Mount Oliphant |
| Mount oll | Boulder | 12979 | Monarch Lake | Mount Toll |
| Mount Olympus | Larimer | 8808 | Panorama Peak | Mount Olympus |
| Mount om | Jefferson | 9735 | Ralston Buttes | Mount Tom |
| O'Neal Hill | Archuleta | 9020 | Oakbrush Ridge | O'Neal Hill |
| Onion Hill | Ouray | 8152 | Dallas | Onion Hill |
| Ophir Mountain | Summit | 10199 | Frisco | Ophir Mountain |
| Orchard Mesa | Mesa | 4705 | Grand Junction | Orchard Mesa |
| Oregon Hill | Gilpin | 10897 | Central City | Oregon Hill |
| Organ Mountain | La Plata | 13022 | Columbine Pass | Organ Mountain |
| Organ Mountain | Saguache | 13799 | San Luis Peak | Organ Mountain |
| Mount orian | Larimer | 7677 | Big Narrows | Mount Morian |
| Ormes Peak | El Paso | 9727 | Cascade | Ormes Peak |
| Ormiston Point | Dolores | 7654 | Doe Canyon | Ormiston Point |
| Orno Peak | Garfield | 12133 | Orno Peak | Orno Peak |
| Orphan Butte | Montezuma | 11121 | Orphan Butte | Orphan Butte |
| Mount orrison | Jefferson | 7881 | Morrison | Mount Morrison |
| Mount Orton | Boulder | 11724 | Allenspark | Mount Orton |
| Osier Mountain | Conejos | 10746 | Osier | Osier Mountain |
| Mount Oso | La Plata | 13684 | Emerald Lake | Mount Oso |
| Mount oss | Montezuma | 13192 | La Plata | Mount Moss |
| Otis Peak | Grand | 12486 | McHenrys Peak | Otis Peak |
| Otter Mountain | Clear Creek | 12766 | Georgetown | Otter Mountain |
| Mount Otto | Fremont | 12851 | Bushnell Peak | Mount Otto |
| Ouray Peak | Chaffee | 12957 | Independence Pass | Ouray Peak |
| Mount Ouray | Saguache | 13971 | Mount Ouray | Mount Ouray |
| Outlaw Mesa | Mesa | 7173 | Calamity Mesa | Outlaw Mesa |
| Ouzel Peak | Grand | 12716 | Isolation Peak | Ouzel Peak |
| Overland Mountain | Boulder | 8715 | Gold Hill | Overland Mountain |
| Mount Owen | Gunnison | 13058 | Oh-be-joyful | Mount Owen |
| Mount Owen | Saguache | 13387 | Electric Peak | Mount Owen |
| Owl Mountain | Jackson | 10957 | Jack Creek Ranch | Owl Mountain |
| Mount Oxford | Chaffee | 14153 | Mount Harvard | Mount Oxford |
| Pacific Peak | Summit | 13950 | Breckenridge | Pacific Peak |
| Pagoda Mountain | Boulder | 13497 | Isolation Peak | Pagoda Mountain |
| Pagoda Peak | Rio Blanco | 11120 | Pagoda Peak | Pagoda Peak |
| Pagoda Peak | Rio Blanco | 11120 | Pagoda Peak | Pagoda Peak |
| Pagosa Peak | Mineral | 12640 | Pagosa Peak | Pagosa Peak |
| Pahlone Peak | Chaffee | 12667 | Pahlone Peak | Pahlone Peak |
| Paines Mountain | Clear Creek | 12048 | Georgetown | Paines Mountain |
| Paint Mountain | Gunnison | 10205 | Matchless Mountain | Paint Mountain |
| Paiute Peak | Boulder | 13088 | Monarch Lake | Paiute Peak |
| Palisade Mountain | Larimer | 8264 | Drake | Palisade Mountain |
| Palmer Knob | Summit | 8870 | Squaw Creek | Palmer Knob |
| Palmer Mesa | Saguache | 12289 | Pool Table Mountain | Palmer Mesa |
| Palmer Peak | Park | 12517 | Como | Palmer Peak |
| Palmyra Peak | San Miguel | 13319 | Telluride | Palmyra Peak |
| Palomino Mountain | Mineral | 12230 | Palomino Mountain | Palomino Mountain |
| Panorama Peak | Larimer | 9284 | Panorama Peak | Panorama Peak |
| Panorama Point | Gilpin | 9320 | Tungsten | Panorama Point |
| Papoose Mountain | Clear Creek | 11174 | Idaho Springs | Papoose Mountain |
| Papoose Peak | Dolores | 11866 | Rico | Papoose Peak |
| Pargin Mountain | Archuleta | 8936 | Pargin Mountain | Pargin Mountain |
| Parika Peak | Jackson | 12394 | Mount Richthofen | Parika Peak |
| Paris Hill | Custer | 9311 | Rosita | Paris Hill |
| Park Cone | Gunnison | 12100 | Taylor Park Reservoir | Park Cone |
| Park Hill | Boulder | 8844 | Nederland | Park Hill |
| Park Mesa | Montezuma | 7600 | Moccasin Mesa | Park Mesa |
| Park Mountain | Fremont | 10013 | Arkansas Mountain | Park Mountain |
| Park Mountain | Huerfano | 11670 | Trinchera Peak | Park Mountain |
| Park Mountain | Rio Blanco | 7201 | Texas Creek | Park Mountain |
| Park Point | Montezuma | 8575 | Point Lookout | Park Point |
| Parks Hill | Larimer | 8017 | Buckhorn Mountain | Parks Hill |
| Parkview Mountain | Grand | 12296 | Parkview Mountain | Parkview Mountain |
| Mount Parnassus | Clear Creek | 13574 | Grays Peak | Mount Parnassus |
| Parrott Peak | La Plata | 11857 | La Plata | Parrott Peak |
| Parry Peak | Grand | 13391 | Empire | Parry Peak |
| Parry Peak | Lake | 12682 | Mount Elbert | Parry Peak |
| Patterson Mountain | Montrose | 7933 | Norwood | Patterson Mountain |
| Mount Patterson | Grand | 11424 | Grand Lake | Mount Patterson |
| Mount Pau | Routt | 8130 | Clark | Mount Pau |
| Mount Pau | Routt | 8130 | Clark | Mount Pau |
| Pawnee Buttes | Weld | 5375 | Pawnee Buttes | Pawnee Buttes |
| Pawnee Peak | Boulder | 12943 | Monarch Lake | Pawnee Peak |
| Payne Mesa | Mesa | 8381 | Fish Creek | Payne Mesa |
| Payne Mesa | Montrose | 9261 | Moore Mesa | Payne Mesa |
| Paywell Mountain | Gunnison | 12272 | Whitepine | Paywell Mountain |
| Pearl Mountain | Gunnison | 13362 | Pearl Pass | Pearl Mountain |
| Pearl Peak | Eagle | 12147 | Copper Mountain | Pearl Peak |
| Pearson Point | Gunnison | 9300 | Little Soap Park | Pearson Point |
| Peate Hill | Yuma | 3796 | Beecher Island | Peate Hill |
| Peck Mesa | Moffat | 6362 | Peck Mesa | Peck Mesa |
| Pecks Peak | Chaffee | 13270 | Mount Harvard | Pecks Peak |
| Mount Peck | Chaffee | 12208 | Pahlone Peak | Mount Peck |
| Peel Point | Chaffee | 12145 | Pahlone Peak | Peel Point |
| Peeler Peak | Gunnison | 12227 | Oh-be-joyful | Peeler Peak |
| Peerless Mountain | Lake | 13348 | Mount Sherman | Peerless Mountain |
| Peewink Mountain | Boulder | 8310 | Gold Hill | Peewink Mountain |
| Penascito | Rio Grande | 7811 | Del Norte | Penascito |
| Mount Pence | Clear Creek | 9903 | Squaw Pass | Mount Pence |
| Pendleton Mountain | Clear Creek | 12275 | Grays Peak | Pendleton Mountain |
| Pennsylvania Hill | Custer | 9026 | Rosita | Pennsylvania Hill |
| Pennsylvania Mountain | Park | 13006 | Climax | Pennsylvania Mountain |
| Perins Peak | La Plata | 8346 | Durango West | Perins Peak |
| Peters Knob | Montrose | 6129 | Bull Canyon | Peters Knob |
| Peters Peak | La Plata | 13122 | Emerald Lake | Peters Peak |
| Petes Post | Moffat | 6849 | Skull Creek | Petes Post |
| Petrie Mesa | Delta | 6423 | North Delta | Petrie Mesa |
| Pettingell Peak | Grand | 13553 | Loveland Pass | Pettingell Peak |
| Pewabic Mountain | Gilpin | 9928 | Central City | Pewabic Mountain |
| Pflum Hill | Larimer | 7821 | Panorama Peak | Pflum Hill |
| Picket Mountain | Routt | 9212 | Pilot Knob | Picket Mountain |
| Pico Aislado | Saguache | 13611 | Crestone Peak | Pico Aislado |
| Piedra Peak Number 2 | Archuleta | 8169 | Allison | Piedra Peak Number 2 |
| Piedra Peak | Archuleta | 8551 | Allison | Piedra Peak |
| Piedra Peak | Mineral | 12328 | Palomino Mountain | Piedra Peak |
| Pierson Mountain | Larimer | 9803 | Panorama Peak | Pierson Mountain |
| Pigeon Peak | La Plata | 13972 | Snowdon Peak | Pigeon Peak |
| Pigpen Hill | Moffat | 6342 | Clay Buttes | Pigpen Hill |
| Pikes Peak | El Paso | 14110 | Pikes Peak | Pikes Peak |
| Pile Hill | Gilpin | 10883 | Central City | Pile Hill |
| Pilot Knob | Gunnison | 9682 | Bull Mountain | Pilot Knob |
| Pilot Knob | Routt | 9858 | Pilot Knob | Pilot Knob |
| Pilot Knob | San Juan | 13738 | Ophir | Pilot Knob |
| Pilot Mountain | Boulder | 12222 | Isolation Peak | Pilot Mountain |
| Pilot Peak | Park | 10624 | Tarryall | Pilot Peak |
| Piltz Mountain | Custer | 10268 | Deer Peak | Piltz Mountain |
| Pine Cone Knob | Saguache | 10760 | Pine Cone Knob | Pine Cone Knob |
| Pine Creek Mesa | Gunnison | 8618 | Sapinero | Pine Creek Mesa |
| Pine Hill | Mesa | 8184 | Calamity Mesa | Pine Hill |
| Pine Mesa | Montrose | 8611 | Davis Point | Pine Mesa |
| Pine Scope Hill | Routt | 7362 | Tumble Mountain | Pine Scope Hill |
| Piney Mountain | Routt | 9315 | Shield Mountain | Piney Mountain |
| Piney Peak | Eagle | 11563 | Piney Peak | Piney Peak |
| Pingree Hill | Larimer | 8770 | Rustic | Pingree Hill |
| Pinkerton Mesa | La Plata | 6507 | Pinkerton Mesa | Pinkerton Mesa |
| Pinkham Mountain | Jackson | 9167 | Northgate | Pinkham Mountain |
| Pinkney Hill | Las Animas | 4936 | Plug Hat Ranch | Pinkney Hill |
| Pinnacle Mountain | Moffat | 8269 | McInturf Mesa | Pinnacle Mountain |
| Pinnacle Peak | Routt | 7406 | Rattlesnake Butte | Pinnacle Peak |
| Pinnacle Peak | Routt | 9010 | Sand Point | Pinnacle Peak |
| Pinon Mesa | Mesa | 8901 | Two V Basin | Pinon Mesa |
| Pinon Mesa | Mesa | 9413 | Fish Creek | Pinon Mesa |
| Pinon Mountain | Montrose | 7883 | Windy Point | Pinon Mountain |
| Pinorealosa Mountain | Conejos | 10984 | Cumbres | Pinorealosa Mountain |
| Pintada Mountain | Rio Grande | 12840 | Jasper | Pintada Mountain |
| Pinto Mesa | Montrose | 7345 | Big Bucktail Creek | Pinto Mesa |
| Pio Hill | Las Animas | 6193 | Trinidad East | Pio Hill |
| Pisgah Mountain | Eagle | 8732 | Castle Peak | Pisgah Mountain |
| Mount Pisgah | Clear Creek | 10081 | Central City | Mount Pisgah |
| Mount Pisgah | Larimer | 8630 | Panorama Peak | Mount Pisgah |
| Mount Pisgah | Teller | 10393 | Cripple Creek North | Mount Pisgah |
| Pitchpine Mountain | Jackson | 8768 | Pitchpine Mountain | Pitchpine Mountain |
| Pitkin Mesa | Delta | 5913 | Bowie | Pitkin Mesa |
| Mount Pittsburg | El Paso | 8197 | Mount Pittsburg | Mount Pittsburg |
| Place Mesa | Mesa | 6330 | Molina | Place Mesa |
| Plaza Butte | Las Animas | 6064 | Trinchera | Plaza Butte |
| Plug Hat Rock | Moffat | 6994 | Plug Hat Rock | Plug Hat Rock |
| Plug Hat | Las Animas | 4974 | Plug Hat Ranch | Plug Hat |
| Plymouth HIll | Custer | 9260 | Rosita | Plymouth HIll |
| Plymouth Hill | Custer | 9268 | Rosita | Plymouth Hill |
| Plymouth Mountain | Jefferson | 7295 | Indian Hills | Plymouth Mountain |
| Pocahontas Hill | Custer | 9424 | Rosita | Pocahontas Hill |
| Point Lookout | Gunnison | 11255 | Cement Mountain | Point Lookout |
| Point of Rocks | Huerfano | 8086 | Red Wing | Point of Rocks |
| Point of Rocks | Weld | 4975 | Point of Rocks | Point of Rocks |
| Point Pun | San Juan | 13150 | Snowdon Peak | Point Pun |
| Poison Mountain | Rio Grande | 11999 | Horseshoe Mountain | Poison Mountain |
| Poison Spring Hill | Montrose | 9040 | Grizzly Ridge | Poison Spring Hill |
| Pole Creek Mountain | Hinsdale | 13716 | Pole Creek Mountain | Pole Creek Mountain |
| Pole Hill | Larimer | 8683 | Drake | Pole Hill |
| Pole Mountain | Fremont | 7060 | Cotopaxi | Pole Mountain |
| Pole Mountain | Jackson | 9234 | Coalmont | Pole Mountain |
| Polepatch Hill | Gunnison | 10369 | Rudolph Hill | Polepatch Hill |
| Pollock Knob | Larimer | 9841 | Old Roach | Pollock Knob |
| Pomeroy Mountain | Boulder | 10046 | Nederland | Pomeroy Mountain |
| Pomeroy Mountain | Chaffee | 13139 | Saint Elmo | Pomeroy Mountain |
| Poncha Mountain | Chaffee | 10135 | Poncha Pass | Poncha Mountain |
| Pool Table Mountain | Mineral | 12218 | Pool Table Mountain | Pool Table Mountain |
| Poorman Hill | Boulder | 6485 | Boulder | Poorman Hill |
| Mount Poor | Chaffee | 12440 | Cumberland Pass | Mount Poor |
| Mount Poor | Gunnison | 12442 | Cumberland Pass | Mount Poor |
| Popes Hill | Larimer | 7890 | Panorama Peak | Popes Hill |
| Popes Nose | Hinsdale | 11148 | Emerald Lake | Popes Nose |
| Porcupine Cone | Gunnison | 11463 | Big Soap Park | Porcupine Cone |
| Porcupine Hill | Clear Creek | 10208 | Idaho Springs | Porcupine Hill |
| Porcupine Peak | Summit | 11803 | Keystone | Porcupine Peak |
| Pordonia Point | Archuleta | 8472 | Oakbrush Hill | Pordonia Point |
| Porphyry Mountain | Boulder | 8336 | Raymond | Porphyry Mountain |
| Porphyry Mountain | Eagle | 10856 | Fulford | Porphyry Mountain |
| Porphyry Mountain | Eagle | 7602 | Sugarloaf Mountain | Porphyry Mountain |
| Porphyry Peaks | Grand | 11335 | Bowen Mountain | Porphyry Peaks |
| Porphyry Peak | Saguache | 11586 | Bonanza | Porphyry Peak |
| Porter Mountain | Mesa | 9967 | Porter Mountain | Porter Mountain |
| Potato Butte | Las Animas | 5478 | Carrizo Mountain | Potato Butte |
| Potato Hill | Boulder | 5424 | Hygiene | Potato Hill |
| Potato Hill | San Juan | 11871 | Engineer Mountain | Potato Hill |
| Potato Mountain | Custer | 8872 | Saint Charles Peak | Potato Mountain |
| Potato Mountain | Mesa | 7001 | Calamity Mesa | Potato Mountain |
| Potosi Peak | Ouray | 13786 | Ironton | Potosi Peak |
| Poverty Mesa | Montrose | 9716 | Cimarron | Poverty Mesa |
| Poverty Mountain | Fremont | 8255 | McIntyre Hills | Poverty Mountain |
| Powell Mesa | Delta | 5669 | Hotchkiss | Powell Mesa |
| Powell Peak | Grand | 13208 | McHenrys Peak | Powell Peak |
| Mount Powell | Summit | 13534 | Pando | Mount Powell |
| Prairie Mountain | Grand | 10664 | Ute Peak | Prairie Mountain |
| Precarious Peak | Pitkin | 13360 | Maroon Bells | Precarious Peak |
| Precipice Peak | Hinsdale | 13144 | Wetterhorn Peak | Precipice Peak |
| Priest Mountain | Delta | 10982 | Chalk Mountain | Priest Mountain |
| Mount Princeton | Chaffee | 14197 | Mount Antero | Mount Princeton |
| Pringle Hill | Custer | 9484 | Rosita | Pringle Hill |
| Printer Boy Hill | Lake | 11404 | Mount Sherman | Printer Boy Hill |
| Prohibition Mountain | Larimer | 9100 | Rustic | Prohibition Mountain |
| Prospect Hill | Summit | 10704 | Breckenridge | Prospect Hill |
| Prospect Mountain | Conejos | 12245 | Elwood Pass | Prospect Mountain |
| Prospect Mountain | Lake | 12614 | Climax | Prospect Mountain |
| Prospect Mountain | Larimer | 8900 | Longs Peak | Prospect Mountain |
| Prospect Point | Gunnison | 8645 | Marcellina Mountain | Prospect Point |
| Prosser Rock | Saguache | 9788 | Razor Creek Dome | Prosser Rock |
| Ptarmigan Hill | Eagle | 12143 | Pando | Ptarmigan Hill |
| Ptarmigan Mountain | Grand | 12324 | McHenrys Peak | Ptarmigan Mountain |
| Ptarmigan Peak | Grand | 11773 | Bottle Pass | Ptarmigan Peak |
| Ptarmigan Peak | Lake | 13739 | Mount Sherman | Ptarmigan Peak |
| Ptarmigan Peak | Summit | 12498 | Dillon | Ptarmigan Peak |
| Ptarmigan Point | Eagle | 10982 | Red Cliff | Ptarmigan Point |
| Ptarmigan Point | Grand | 12363 | McHenrys Peak | Ptarmigan Point |
| Pulpit Rock | Montezuma | 7911 | Wetherill Mesa | Pulpit Rock |
| Pulver Mountain | Park | 10538 | Glentivar | Pulver Mountain |
| Pup Peak | Rio Grande | 8790 | Dog Mountain | Pup Peak |
| Purgatoire Peak | Costilla | 13676 | Culebra Peak | Purgatoire Peak |
| Purple Mountain | Gunnison | 12958 | Oh-be-joyful | Purple Mountain |
| Purple Peak | Gunnison | 12812 | Oh-be-joyful | Purple Peak |
| Pyramid Peak | Jefferson | 7391 | Indian Hills | Pyramid Peak |
| Pyramid Peak | Pitkin | 14018 | Maroon Bells | Pyramid Peak |
| Pyramid Peak | Rio Blanco | 11532 | Devils Causeway | Pyramid Peak |
| Pyramid Rock | Mesa | 5540 | Wagon Track Ridge | Pyramid Rock |
| Quail Mountain | Chaffee | 13461 | Mount Elbert | Quail Mountain |
| Quaker Mesa | Mesa | 8960 | Quaker Mesa | Quaker Mesa |
| Quaker Mountain | Routt | 9330 | Quaker Mountain | Quaker Mountain |
| Quakey Mountain | Gunnison | 10454 | Sargents | Quakey Mountain |
| Quandary Peak | Summit | 14265 | Breckenridge | Quandary Peak |
| Quarry Mountain | Routt | 8252 | Steamboat Springs | Quarry Mountain |
| Quartz Dome | Gunnison | 11296 | Pitkin | Quartz Dome |
| Quartz Hill | Gilpin | 9593 | Central City | Quartz Hill |
| Quien Sabe Mountain | Mineral | 10262 | Pagosa Peak | Quien Sabe Mountain |
| Quigley Mountain | Larimer | 8567 | Rustic | Quigley Mountain |
| Rabbit Ears Peak | Jackson | 10654 | Rabbit Ears Peak | Rabbit Ears Peak |
| Rabbit Mountain | Boulder | 6006 | Hygiene | Rabbit Mountain |
| Rabbit Mountain | La Plata | 7715 | Rules Hill | Rabbit Mountain |
| Rabbit Mountain | Rio Blanco | 7611 | Banta Ridge | Rabbit Mountain |
| Racoon Knob | Douglas | 6627 | Sedalia | Racoon Knob |
| Radial Mountain | Grand | 11241 | Radial Mountain | Radial Mountain |
| Radical Hill | Summit | 12367 | Montezuma | Radical Hill |
| Radium Mountain | Montrose | 7124 | Bull Canyon | Radium Mountain |
| Ragged Mountain | Gunnison | 12094 | Marble | Ragged Mountain |
| Ragged Mountain | Gunnison | 7460 | Bull Mountain | Ragged Mountain |
| Ragged Peak | Gunnison | 12641 | Chair Mountain | Ragged Peak |
| Raleigh Peak | Jefferson | 8183 | Platte Canyon | Raleigh Peak |
| Ralston Buttes | Jefferson | 7788 | Ralston Buttes | Ralston Buttes |
| Rampart Hills | Montezuma | 9415 | Rampart Hills | Rampart Hills |
| Rams Horn Mountain | Larimer | 9553 | Longs Peak | Rams Horn Mountain |
| Ramsey Peak | Larimer | 11582 | Pingree Park | Ramsey Peak |
| Raspberry Butte | Douglas | 7737 | Larkspur | Raspberry Butte |
| Raspberry Mountain | El Paso | 8634 | Palmer Lake | Raspberry Mountain |
| Raspberry Mountain | Huerfano | 11241 | McCarty Park | Raspberry Mountain |
| Raspberry Mountain | Teller | 10605 | Woodland Park | Raspberry Mountain |
| Raspberry Peak | Saguache | 10390 | Bonanza | Raspberry Peak |
| Rat Mountain | Rio Blanco | 11332 | Big Marvine Peak | Rat Mountain |
| Rattlesnake Butte | Douglas | 7570 | Greenland | Rattlesnake Butte |
| Rattlesnake Butte | El Paso | 7410 | Eastonville | Rattlesnake Butte |
| Rattlesnake Butte | Routt | 7395 | Wolf Mountain | Rattlesnake Butte |
| Rattlesnake Butte | Routt | 8010 | Rattlesnake Butte | Rattlesnake Butte |
| Rattlesnake Hill | Custer | 8908 | Aldrich Gulch | Rattlesnake Hill |
| Rattlesnake Hill | La Plata | 6776 | Ignacio | Rattlesnake Hill |
| Rattlesnake Hill | Saguache | 7896 | Hickey Bridge | Rattlesnake Hill |
| Rattlesnake Mesa | Rio Blanco | 6989 | Rattlesnake Mesa | Rattlesnake Mesa |
| Rattlesnake Mountain | Fremont | 8516 | Coaldale | Rattlesnake Mountain |
| Raven Mesa | Gunnison | 8285 | Paonia Reservoir | Raven Mesa |
| Ray Mesa | Montrose | 7475 | Bar X Wash | Ray Mesa |
| Razor Creek Dome | Saguache | 11530 | Razor Creek Dome | Razor Creek Dome |
| Reade Hill | Montrose | 9700 | Antone Spring | Reade Hill |
| Red and White Mountain | Eagle | 11192 | Edwards | Red and White Mountain |
| Red Butte | Pitkin | 8283 | Aspen | Red Butte |
| Red Cone | Park | 12801 | Montezuma | Red Cone |
| Red Elephant Hill | Clear Creek | 10316 | Empire | Red Elephant Hill |
| Red Elephant Mountain | Jackson | 11569 | Davis Peak | Red Elephant Mountain |
| Red Hill | Boulder | 6570 | Lyons | Red Hill |
| Red Hill | Eagle | 8164 | Cottonwood Pass | Red Hill |
| Red Hill | Eagle | 9094 | Red Creek | Red Hill |
| Red Hill | Fremont | 9049 | Waugh Mountain | Red Hill |
| Red Hill | Garfield | 7012 | Carbondale | Red Hill |
| Red Hill | Jackson | 11454 | Buffalo Peak | Red Hill |
| Red Hill | La Plata | 10679 | Monument Hill | Red Hill |
| Red Hill | Rio Blanco | 7680 | Calamity Ridge | Red Hill |
| Red Mesa | La Plata | 7546 | Kline | Red Mesa |
| Red Mountain Number 1 | San Juan | 12592 | Ironton | Red Mountain Number 1 |
| Red Mountain Number 2 | Ouray | 12219 | Ironton | Red Mountain Number 2 |
| Red Mountain Number 3 | Ouray | 12890 | Ironton | Red Mountain Number 3 |
| Red Mountain | Clear Creek | 12315 | Berthoud Pass | Red Mountain |
| Red Mountain | Conejos | 12018 | Red Mountain | Red Mountain |
| Red Mountain | Costilla | 13908 | Culebra Peak | Red Mountain |
| Red Mountain | El Paso | 7361 | Manitou Springs | Red Mountain |
| Red Mountain | Fremont | 12974 | Bushnell Peak | Red Mountain |
| Red Mountain | Fremont | 7857 | Iron Mountain | Red Mountain |
| Red Mountain | Grand | 11605 | Mount Richthofen | Red Mountain |
| Red Mountain | Grand | 7932 | Junction Butte | Red Mountain |
| Red Mountain | Gunnison | 11656 | Crested Butte | Red Mountain |
| Red Mountain | Hinsdale | 12826 | Lake San Cristobal | Red Mountain |
| Red Mountain | Larimer | 7105 | Virginia Dale | Red Mountain |
| Red Mountain | Larimer | 7464 | Big Narrows | Red Mountain |
| Red Mountain | Larimer | 9103 | Crazy Mountain | Red Mountain |
| Red Mountain | Mesa | 7818 | Collbran | Red Mountain |
| Red Mountain | Mineral | 12630 | Palomino Mountain | Red Mountain |
| Red Mountain | Pitkin | 10423 | Aspen | Red Mountain |
| Red Mountain | Pitkin | 13492 | Independence Pass | Red Mountain |
| Red Mountain | Summit | 13229 | Breckenridge | Red Mountain |
| Red Mountain | Teller | 9630 | Cripple Creek North | Red Mountain |
| Red Peak | Summit | 13189 | Willow Lakes | Red Peak |
| Red Peak | Summit | 13215 | Breckenridge | Red Peak |
| Red Pinnacle | Garfield | 7935 | Red Pinnacle | Red Pinnacle |
| Red Rock Bench | Moffat | 6207 | Hells Canyon | Red Rock Bench |
| Red Slide Mountain | Grand | 10871 | Whiteley Peak | Red Slide Mountain |
| Red Table Mountain | Eagle | 11161 | Suicide Mountain | Red Table Mountain |
| Red Table Mountain | Eagle | 12037 | Red Creek | Red Table Mountain |
| Red Wash Butte | Moffat | 6365 | The Nipple SE | Red Wash Butte |
| Redcliff | Hinsdale | 13642 | Wetterhorn Peak | Redcliff |
| Redcloud Peak | Hinsdale | 14034 | Redcloud Peak | Redcloud Peak |
| Redlands Mesa | Delta | 6590 | Lazear | Redlands Mesa |
| Redrock Point | Mesa | 6614 | Winter Flats | Redrock Point |
| Reds Knob | Moffat | 7715 | Zenobia Peak | Reds Knob |
| Redskin Mountain | Jefferson | 8783 | Green Mountain | Redskin Mountain |
| Redtop Peak | Delta | 6330 | Bowie | Redtop Peak |
| Reeder Mesa | Mesa | 8018 | Palisade | Reeder Mesa |
| Mount release | Clear Creek | 12477 | Loveland Pass | Mount Trelease |
| Reno Mountain | Mesa | 9741 | Flatiron Mountain | Reno Mountain |
| Republican Mountain | Clear Creek | 12386 | Georgetown | Republican Mountain |
| Resolution Mountain | Eagle | 11905 | Pando | Resolution Mountain |
| Revenue Mountain | Clear Creek | 12889 | Montezuma | Revenue Mountain |
| Mount Rhoda | San Juan | 13402 | Howardsville | Mount Rhoda |
| Rhyolite Mountain | Teller | 10780 | Cripple Creek North | Rhyolite Mountain |
| Ribbon Mesa | Rio Grande | 10912 | Beaver Creek Reservoir | Ribbon Mesa |
| Rice Mountain | Fremont | 8552 | Rice Mountain | Rice Mountain |
| Mount Richey | Gunnison | 12470 | Snowmass Mountain | Mount Richey |
| Richmond Hill | Pitkin | 11485 | Hayden Peak | Richmond Hill |
| Richmond Mountain | Gunnison | 12501 | Oh-be-joyful | Richmond Mountain |
| Mount Richthofen | Grand | 12940 | Mount Richthofen | Mount Richthofen |
| Rick Mountain | Chaffee | 9363 | Salida East | Rick Mountain |
| Mount Ridgeway | Ouray | 13468 | Mount Sneffels | Mount Ridgeway |
| Riggs Hill | Mesa | 4912 | Colorado National Monument | Riggs Hill |
| Riley Mound | Weld | 5195 | Hudson | Riley Mound |
| Riley Mountain | Pitkin | 10354 | Meredith | Riley Mountain |
| Riley Peak | Jefferson | 9428 | Pine | Riley Peak |
| Rinker Peak | Chaffee | 13783 | Mount Elbert | Rinker Peak |
| Rio Grande Pyramid | Hinsdale | 13821 | Rio Grande Pyramid | Rio Grande Pyramid |
| Rishaberger Mountain | Park | 10451 | Glentivar | Rishaberger Mountain |
| Rito Alto Peak | Saguache | 13794 | Rito Alto Peak | Rito Alto Peak |
| River Hill | Hinsdale | 9590 | Little Squaw Creek | River Hill |
| Roan Plateau | Garfield | 9064 | Anvil Points | Roan Plateau |
| Robeson Peak | Clear Creek | 13140 | Grays Peak | Robeson Peak |
| Mount Robinson | Custer | 9686 | Rosita | Mount Robinson |
| Rock Creek Hill | Pueblo | 5775 | Beulah NE | Rock Creek Hill |
| Rock Hill | Lake | 11023 | Leadville South | Rock Hill |
| Rock Mountain | Hinsdale | 10182 | Oakbrush Ridge | Rock Mountain |
| Rocky Mountain | El Paso | 9250 | Manitou Springs | Rocky Mountain |
| Rocky Peak | Elbert | 5991 | Kuhns Crossing | Rocky Peak |
| Rocky Peak | Routt | 9236 | Rocky Peak | Rocky Peak |
| Rocky Point | Gunnison | 11770 | Matchless Mountain | Rocky Point |
| Rocky Point | Lake | 12085 | Mount Sherman | Rocky Point |
| Rogers Mesa | Delta | 5640 | Lazear | Rogers Mesa |
| Rogers Peak | Clear Creek | 13391 | Harris Park | Rogers Peak |
| Rolling Mountain | San Juan | 13693 | Ophir | Rolling Mountain |
| Rosalie Peak | Park | 13575 | Harris Park | Rosalie Peak |
| Mount Rosa | Teller | 11499 | Manitou Springs | Mount Rosa |
| Rosebud Hill | Teller | 9417 | Cripple Creek South | Rosebud Hill |
| Rosedale Peak | Park | 11825 | Harris Park | Rosedale Peak |
| Rough Mountain | Huerfano | 11138 | La Veta Pass | Rough Mountain |
| Round Butte | Larimer | 6089 | Round Butte | Round Butte |
| Round Hill | Park | 11243 | Fairplay West | Round Hill |
| Round Hill | Saguache | 9171 | Poncha Pass | Round Hill |
| Round Mound | Bent | 4598 | Ninaview | Round Mound |
| Round Mountain | Custer | 11043 | Deer Peak | Round Mountain |
| Round Mountain | Custer | 8709 | Westcliffe | Round Mountain |
| Round Mountain | Fremont | 7774 | Coaldale | Round Mountain |
| Round Mountain | Gunnison | 10878 | Cement Mountain | Round Mountain |
| Round Mountain | Gunnison | 9609 | Rockvale | Round Mountain |
| Round Mountain | Jackson | 10570 | Buffalo Pass | Round Mountain |
| Round Mountain | Larimer | 7451 | Pinewood Lake | Round Mountain |
| Round Mountain | Mesa | 6071 | Molina | Round Mountain |
| Round Mountain | Mesa | 6820 | Round Mountain | Round Mountain |
| Round Mountain | Montrose | 8114 | Windy Point | Round Mountain |
| Round Mountain | Park | 8540 | Tarryall | Round Mountain |
| Round Mountain | Park | 9033 | Tarryall | Round Mountain |
| Round Mountain | Routt | 7825 | Pagoda | Round Mountain |
| Round Mountain | Routt | 8102 | Clark | Round Mountain |
| Round Mountain | Routt | 8682 | Pilot Knob | Round Mountain |
| Round Mountain | Saguache | 12030 | Whale Hill | Round Mountain |
| Round Mountain | San Juan | 12912 | Howardsville | Round Mountain |
| Round Top Mountain | Custer | 10180 | Saint Charles Peak | Round Top Mountain |
| Round Top Mountain | La Plata | 7336 | Long Mountain | Round Top Mountain |
| Round Top Mountain | Moffat | 8575 | Hells Canyon | Round Top Mountain |
| Round Top | La Plata | 7128 | Long Mountain | Round Top |
| Round Top | Morgan | 4524 | Round Top | Round Top |
| Round Top | Ouray | 7386 | Ridgway | Round Top |
| Rowe Mountain | Larimer | 13184 | Trail Ridge | Rowe Mountain |
| Rowe Peak | Larimer | 13404 | Trail Ridge | Rowe Peak |
| Rowell Hill | Boulder | 6565 | Pinewood Lake | Rowell Hill |
| Royal Mountain | Park | 11495 | Harris Park | Royal Mountain |
| Royal Mountain | Summit | 10502 | Frisco | Royal Mountain |
| Ruby Hill | Denver | 5398 | Fort Logan | Ruby Hill |
| Ruby Mountain | Chaffee | 8008 | Nathrop | Ruby Mountain |
| Ruby Mountain | Grand | 12008 | Bowen Mountain | Ruby Mountain |
| Ruby Mountain | Summit | 13277 | Montezuma | Ruby Mountain |
| Ruby Peak | Gunnison | 12644 | Marcellina Mountain | Ruby Peak |
| Rudolph Hill | Gunnison | 10135 | Rudolph Hill | Rudolph Hill |
| Rudolph Mountain | Custer | 10334 | Hardscrabble Mountain | Rudolph Mountain |
| Ruffner Mountain | Ouray | 13003 | Sams | Ruffner Mountain |
| Rugby Rock | Las Animas | 6823 | Aguilar | Rugby Rock |
| Rules Hill | La Plata | 8222 | Rules Hill | Rules Hill |
| Runlett Peak | Hinsdale | 11288 | Granite Peak | Runlett Peak |
| Ruth Mountain | Mesa | 9224 | Spruce Mountain | Ruth Mountain |
| Ryder Peaks | Jackson | 9805 | Whiteley Peak | Ryder Peaks |
| Sachett Mountain | El Paso | 12599 | Pikes Peak | Sachett Mountain |
| Saddle Mountain | Delta | 10005 | Crawford | Saddle Mountain |
| Saddle Mountain | Mineral | 12033 | Saddle Mountain | Saddle Mountain |
| Saddle Mountain | Park | 10801 | Witcher Mountain | Saddle Mountain |
| Saddle Mountain | Routt | 10057 | Bears Ears Peaks | Saddle Mountain |
| Saddle Mountain | Routt | 7110 | Cow Creek | Saddle Mountain |
| Saddle Mountain | Routt | 9736 | Pilot Knob | Saddle Mountain |
| Saddle Rock | Las Animas | 7247 | Branson | Saddle Rock |
| Saddleback Mountain | Clear Creek | 9568 | Squaw Pass | Saddleback Mountain |
| Saddleback Mountain | Conejos | 7947 | Pikes Stockade | Saddleback Mountain |
| Saddlehorn | Mesa | 5849 | Colorado National Monument | Saddlehorn |
| Sagebrush Hill | Rio Blanco | 7672 | Sagebrush Hill | Sagebrush Hill |
| Saguache Peak | Saguache | 10550 | Graveyard Gulch | Saguache Peak |
| Saint Charles Peak | Custer | 11784 | Saint Charles Peak | Saint Charles Peak |
| Saint Louis Peak | Grand | 12246 | Byers Peak | Saint Louis Peak |
| Saint Peters Dome | El Paso | 9698 | Mount Big Chief | Saint Peters Dome |
| Saint Vrain Mountain | Boulder | 12162 | Allenspark | Saint Vrain Mountain |
| Sampson Mountain | Jefferson | 8283 | Indian Hills | Sampson Mountain |
| Sams Peak | Gunnison | 8766 | West Beckwith Mountain | Sams Peak |
| Samson Mesa | Mesa | 5936 | Housetop Mountain | Samson Mesa |
| San Bernardo Mountain | San Miguel | 11861 | Mount Wilson | San Bernardo Mountain |
| San Luis Peak | El Paso | 10433 | Mount Big Chief | San Luis Peak |
| San Luis Peak | Saguache | 14014 | San Luis Peak | San Luis Peak |
| San Miguel Peak | San Miguel | 13752 | Ophir | San Miguel Peak |
| Sand Mountain | Routt | 10847 | Meaden Peak | Sand Mountain |
| Sand Mountain | Routt | 8253 | Wolf Mountain | Sand Mountain |
| Sand Peak | Rio Blanco | 10853 | Lost Park | Sand Peak |
| Sand Point | Moffat | 9974 | Freeman Reservoir | Sand Point |
| Sandoval Mesa | Archuleta | 8491 | Carracas | Sandoval Mesa |
| Sandstone Mountain | Dolores | 10458 | Rico | Sandstone Mountain |
| Mount Sanitas | Boulder | 6863 | Boulder | Mount Sanitas |
| Santa Fe Mountain | Clear Creek | 10537 | Squaw Pass | Santa Fe Mountain |
| Santa Fe Peak | Clear Creek | 13180 | Montezuma | Santa Fe Peak |
| Santana Butte | Huerfano | 8433 | Badito Cone | Santana Butte |
| Santanta Peak | Grand | 11979 | Monarch Lake | Santanta Peak |
| Sapinero Mesa | Gunnison | 8812 | Sapinero | Sapinero Mesa |
| Sargents Mesa | Saguache | 11724 | Sargents Mesa | Sargents Mesa |
| Savage Peak | Eagle | 13139 | Mount Jackson | Savage Peak |
| Sawmill Mesa | Delta | 8540 | Starvation Point | Sawmill Mesa |
| Sawmill Mountain | Rio Blanco | 9462 | Sawmill Mountain | Sawmill Mountain |
| Sawtooth Mountain | Boulder | 12304 | Allenspark | Sawtooth Mountain |
| Sawtooth Mountain | Mineral | 12605 | South River Peak | Sawtooth Mountain |
| Sawtooth Mountain | Routt | 9565 | Buck Point | Sawtooth Mountain |
| Sawtooth Mountain | Saguache | 12147 | Sawtooth Mountain | Sawtooth Mountain |
| Sawtooth Peak | Pueblo | 5543 | Hog Ranch Canyon | Sawtooth Peak |
| Saxon Mountain | Clear Creek | 11546 | Georgetown | Saxon Mountain |
| Scar Top Mountain | Jefferson | 8790 | Eldorado Springs | Scar Top Mountain |
| Scare Mountain | Rio Blanco | 8856 | Brushy Point | Scare Mountain |
| Scenic Mesa | Delta | 5701 | Lazear | Scenic Mesa |
| Scenic Mesa | Delta | 5880 | Grand View Mesa | Scenic Mesa |
| Schoolmarm Mountain | Park | 11332 | Glentivar | Schoolmarm Mountain |
| Schuylkill Mountain | Gunnison | 12146 | Oh-be-joyful | Schuylkill Mountain |
| Scott Hill | Rio Blanco | 7692 | Slide Creek | Scott Hill |
| Scraggy Peaks | Custer | 9198 | Saint Charles Peak | Scraggy Peaks |
| Searight Mountain | Grand | 10736 | Corral Peaks | Searight Mountain |
| Seaton Mountain | Clear Creek | 9105 | Central City | Seaton Mountain |
| Section Point | Dolores | 11940 | Hermosa Peak | Section Point |
| Segar Mountain | Rio Blanco | 7665 | Segar Mountain | Segar Mountain |
| Seigal Mountain | San Juan | 13274 | Handies Peak | Seigal Mountain |
| Sellar Peak | Pitkin | 12074 | Nast | Sellar Peak |
| Sentinal Mountain | Jackson | 9082 | Northgate | Sentinal Mountain |
| Sentinel Peak | Rio Grande | 10161 | South Fork West | Sentinel Peak |
| Sentinel Point | Teller | 12527 | Pikes Peak | Sentinel Point |
| Serviceberry Mountain | Archuleta | 8271 | Serviceberry Mountain | Serviceberry Mountain |
| Serviceberry Mountain | Moffat | 7859 | Bakers Peak | Serviceberry Mountain |
| Seven Cross Hill | Weld | 5041 | Briggsdale | Seven Cross Hill |
| Seven D Pocket | Las Animas | 5579 | Villegreen | Seven D Pocket |
| Seven L Buttes | Las Animas | 6594 | Cobert Mesa North | Seven L Buttes |
| Seven Parks | Mineral | 11491 | Spar City | Seven Parks |
| Seven Utes Mountain | Jackson | 11453 | Mount Richthofen | Seven Utes Mountain |
| Sevenmile Hill | Moffat | 6724 | Pine Ridge | Sevenmile Hill |
| Severn Peak | La Plata | 8178 | Ludwig Mountain | Severn Peak |
| Sewanee Peak | Chaffee | 13132 | Garfield | Sewanee Peak |
| Sewemup Mesa | Mesa | 7489 | Roc Creek | Sewemup Mesa |
| Shadow Mountain | Grand | 10155 | Shadow Mountain | Shadow Mountain |
| Shadow Mountain | Park | 10621 | Meridian Hill | Shadow Mountain |
| Shaefer Mountain | La Plata | 8646 | Ludwig Mountain | Shaefer Mountain |
| Shaffer Hill | Clear Creek | 8423 | Squaw Pass | Shaffer Hill |
| Shaffer Reservoir | Routt | 8830 | Dunckley | Shaffer Reservoir |
| Shamrock Mesa | Delta | 5644 | Lazear | Shamrock Mesa |
| Shanahan Hill | Boulder | 5800 | Eldorado Springs | Shanahan Hill |
| Sharkstooth Peak | Montezuma | 12462 | La Plata | Sharkstooth Peak |
| Mount Shavano | Chaffee | 14229 | Maysville | Mount Shavano |
| Shaw Mesa | Rio Grande | 9535 | South Fork East | Shaw Mesa |
| Shawnee Peak | Park | 11922 | Shawnee | Shawnee Peak |
| Sheep Knob | Montrose | 9524 | Cimarron | Sheep Knob |
| Sheep Mountain | Archuleta | 8759 | Baldy Mountain | Sheep Mountain |
| Sheep Mountain | Chaffee | 11939 | Mount Yale | Sheep Mountain |
| Sheep Mountain | Eagle | 11089 | Sheephorn Mountain | Sheep Mountain |
| Sheep Mountain | Eagle | 12376 | Copper Mountain | Sheep Mountain |
| Sheep Mountain | El Paso | 9805 | Manitou Springs | Sheep Mountain |
| Sheep Mountain | Garfield | 12241 | Trappers Lake | Sheep Mountain |
| Sheep Mountain | Grand | 10671 | Bottle Pass | Sheep Mountain |
| Sheep Mountain | Grand | 11361 | Parkview Mountain | Sheep Mountain |
| Sheep Mountain | Grand | 11819 | Hyannis Peak | Sheep Mountain |
| Sheep Mountain | Gunnison | 11643 | Snowmass Mountain | Sheep Mountain |
| Sheep Mountain | Gunnison | 11794 | Big Soap Park | Sheep Mountain |
| Sheep Mountain | Gunnison | 12264 | Fairview Peak | Sheep Mountain |
| Sheep Mountain | Gunnison | 13168 | Sheep Mountain | Sheep Mountain |
| Sheep Mountain | Gunnison | 8850 | Bull Mountain | Sheep Mountain |
| Sheep Mountain | Huerfano | 10635 | Little Sheep Mountain | Sheep Mountain |
| Sheep Mountain | Jackson | 9422 | Boettcher Lake | Sheep Mountain |
| Sheep Mountain | Jefferson | 7956 | Platte Canyon | Sheep Mountain |
| Sheep Mountain | La Plata | 13070 | Horse Creek Springs | Sheep Mountain |
| Sheep Mountain | Larimer | 11808 | Rawah Lakes | Sheep Mountain |
| Sheep Mountain | Larimer | 7312 | Table Mountain | Sheep Mountain |
| Sheep Mountain | Larimer | 7555 | Big Narrows | Sheep Mountain |
| Sheep Mountain | Larimer | 7978 | Haystack Gulch | Sheep Mountain |
| Sheep Mountain | Larimer | 8450 | Drake | Sheep Mountain |
| Sheep Mountain | Mineral | 12369 | Saddle Mountain | Sheep Mountain |
| Sheep Mountain | Park | 12495 | Boreas Pass | Sheep Mountain |
| Sheep Mountain | Park | 12818 | Fairplay West | Sheep Mountain |
| Sheep Mountain | Rio Grande | 12492 | Jasper | Sheep Mountain |
| Sheep Mountain | Saguache | 10482 | Klondike Mine | Sheep Mountain |
| Sheep Mountain | Saguache | 12085 | Mesa Mountain | Sheep Mountain |
| Sheep Mountain | Saguache | 12838 | Bonanza | Sheep Mountain |
| Sheep Mountain | San Juan | 13292 | Howardsville | Sheep Mountain |
| Sheep Mountain | San Miguel | 13188 | Mount Wilson | Sheep Mountain |
| Sheep Mountain | Teller | 12397 | Pikes Peak | Sheep Mountain |
| Sheep Nose | Douglas | 8894 | Westcreek | Sheep Nose |
| Sheep Rock | Grand | 10927 | Fall River Pass | Sheep Rock |
| Sheephorn Mountain | Grand | 9607 | Sheephorn Mountain | Sheephorn Mountain |
| Sheeprock | Jefferson | 8713 | Cheesman Lake | Sheeprock |
| Sheridan Hill | Clear Creek | 10749 | Central City | Sheridan Hill |
| Sheridan Mountain | La Plata | 12795 | Columbine Pass | Sheridan Mountain |
| Mount Sheridan | Lake | 13748 | Mount Sherman | Mount Sheridan |
| Sherman Mountain | Clear Creek | 12287 | Georgetown | Sherman Mountain |
| Mount Sherman | Lake | 14036 | Mount Sherman | Mount Sherman |
| Shield Mountain | Routt | 9921 | Shield Mountain | Shield Mountain |
| Mount Shimer | Pitkin | 12340 | New York Peak | Mount Shimer |
| Shingle Peak | Garfield | 11996 | Trappers Lake | Shingle Peak |
| Shipler Mountain | Grand | 11317 | Fall River Pass | Shipler Mountain |
| Shipman Mountain | Jackson | 10827 | Shipman Mountain | Shipman Mountain |
| Shirttail Peak | Boulder | 7320 | Eldorado Springs | Shirttail Peak |
| Shock Hill | Summit | 10016 | Breckenridge | Shock Hill |
| Short Creek Baldy | Fremont | 8531 | Coaldale | Short Creek Baldy |
| Short Mesa | Montezuma | 6323 | Tanner Mesa | Short Mesa |
| Shoshoni Peak | Grand | 12967 | Monarch Lake | Shoshoni Peak |
| Shotgun Mountain | Hinsdale | 10724 | Hermit Lakes | Shotgun Mountain |
| Shrine Mountain | Eagle | 11888 | Red Cliff | Shrine Mountain |
| Sierra de La Lola | Saguache | 9489 | Laughlin Gulch | Sierra de La Lola |
| Sierro del Ojito | Conejos | 8121 | Pikes Stockade | Sierro del Ojito |
| Sievers Mountain | Pitkin | 12773 | Maroon Bells | Sievers Mountain |
| Signal Butte | Moffat | 6522 | Horse Gulch | Signal Butte |
| Signal Butte | Teller | 9459 | Signal Butte | Signal Butte |
| Signal Hill | Gilpin | 8808 | Black Hawk | Signal Hill |
| Signal Hill | Montrose | 8774 | Grizzly Ridge | Signal Hill |
| Signal Hill | Teller | 9713 | Cripple Creek South | Signal Hill |
| Signal Mountain | Larimer | 11262 | Pingree Park | Signal Mountain |
| Signal Peak | Gunnison | 9042 | Signal Peak | Signal Peak |
| Mount Signal | Pueblo | 7347 | Beulah | Mount Signal |
| Mount Silex | San Juan | 13628 | Storm King Peak | Mount Silex |
| Silver Hill | Gilpin | 9124 | Black Hawk | Silver Hill |
| Silver Mesa | La Plata | 12480 | Columbine Pass | Silver Mesa |
| Silver Mountain | Hinsdale | 13714 | Uncompahgre Peak | Silver Mountain |
| Silver Mountain | Huerfano | 10522 | La Veta | Silver Mountain |
| Silver Mountain | La Plata | 12496 | La Plata | Silver Mountain |
| Silver Mountain | Rio Grande | 12420 | Jasper | Silver Mountain |
| Silver Mountain | San Miguel | 12936 | Ophir | Silver Mountain |
| Silver Mountain | Summit | 12849 | Montezuma | Silver Mountain |
| Silver Plume Mountain | Clear Creek | 12477 | Grays Peak | Silver Plume Mountain |
| Mount Silverheels | Park | 13822 | Alma | Mount Silverheels |
| Simmons Peak | Saguache | 12051 | Wellsville | Simmons Peak |
| Mount Simon | Larimer | 7568 | Big Narrows | Mount Simon |
| Simpson Mesa | Weld | 6212 | Carr East | Simpson Mesa |
| Simpson Mountain | Hinsdale | 12904 | Weminuche Pass | Simpson Mountain |
| Simpson Mountain | Routt | 8103 | Green Ridge | Simpson Mountain |
| Simpsons Rest | Las Animas | 6462 | Trinidad West | Simpsons Rest |
| Sims Mesa | Montrose | 6540 | Montrose West | Sims Mesa |
| Sister Peak | Ouray | 10367 | Ouray | Sister Peak |
| Skein Mesa | Montrose | 7145 | Davis Mesa | Skein Mesa |
| Skinner Hill | El Paso | 5864 | Elsmere | Skinner Hill |
| Skull Point | Larimer | 12056 | Comanche Peak | Skull Point |
| Skull Rock | Jefferson | 7140 | Deckers | Skull Rock |
| Slate Mountain | Eagle | 11104 | Piney Peak | Slate Mountain |
| Sleeping Elephant Mountain | Larimer | 9145 | Boston Peak | Sleeping Elephant Mountain |
| Sleeping Ute Mountain | Montezuma | 9244 | Battle Rock | Sleeping Ute Mountain |
| Sleepy Cat Peak | Rio Blanco | 10848 | Sleepy Cat Peak | Sleepy Cat Peak |
| Slick Rock Hill | San Miguel | 6561 | Horse Range Mesa | Slick Rock Hill |
| Slide Mountain | Grand | 9931 | Corral Peaks | Slide Mountain |
| Slide Mountain | Hinsdale | 11114 | Granite Peak | Slide Mountain |
| Slide Mountain | Huerfano | 12306 | Red Wing | Slide Mountain |
| Slide Mountain | Moffat | 8971 | Slide Mountain | Slide Mountain |
| Slide Rock Mountain | Fremont | 9478 | Coaldale | Slide Rock Mountain |
| Slippery Sides Mountain | Routt | 8612 | Wolf Mountain | Slippery Sides Mountain |
| Sloane Peak | Pitkin | 10502 | Woody Creek | Sloane Peak |
| Smelter Hill | Moffat | 6846 | Greystone | Smelter Hill |
| Smelter Hill | Pueblo | 4726 | Northeast Pueblo | Smelter Hill |
| Smelter Mountain | La Plata | 7725 | Durango West | Smelter Mountain |
| Smith Fork Mountain | Gunnison | 11230 | Minnesota Pass | Smith Fork Mountain |
| Smith Hill | Gilpin | 8696 | Black Hawk | Smith Hill |
| Smith Mound | Weld | 5194 | Fort Lupton | Smith Mound |
| Smith Rim | Moffat | 8963 | Bakers Peak | Smith Rim |
| Smiths Mountain | Delta | 5628 | Orchard City | Smiths Mountain |
| Smithy Mountain | Boulder | 7134 | Raymond | Smithy Mountain |
| Smuggler Mountain | Pitkin | 11954 | Thimble Rock | Smuggler Mountain |
| Mount Sneffels | Ouray | 14150 | Mount Sneffels | Mount Sneffels |
| Snell Mountain | Rio Blanco | 10490 | Ripple Creek | Snell Mountain |
| Mount Sniktau | Clear Creek | 13234 | Grays Peak | Mount Sniktau |
| Snipe Mountain | Mesa | 9326 | Snipe Mountain | Snipe Mountain |
| Snodgrass Mountain | Gunnison | 11145 | Gothic | Snodgrass Mountain |
| Snow Mesa | Hinsdale | 12321 | Baldy Cinco | Snow Mesa |
| Snowdon Peak | San Juan | 13077 | Snowdon Peak | Snowdon Peak |
| Snowdrift Mountain | Garfield | 9228 | Triangle Park | Snowdrift Mountain |
| Snowdrift Peak | Grand | 12274 | McHenrys Peak | Snowdrift Peak |
| Snowmass Mountain | Pitkin | 14092 | Snowmass Mountain | Snowmass Mountain |
| Snowmass Peak | Pitkin | 13619 | Snowmass Mountain | Snowmass Peak |
| Snowshoe Mesa | Gunnison | 8900 | West Beckwith Mountain | Snowshoe Mesa |
| Snowshoe Mountain | Mineral | 12006 | Spar City | Snowshoe Mountain |
| Snowslide Mountain | Custer | 11664 | Beck Mountain | Snowslide Mountain |
| Snowstorm Peak | La Plata | 12511 | La Plata | Snowstorm Peak |
| Snyder Mountain | Clear Creek | 9876 | Squaw Pass | Snyder Mountain |
| Soap Mesa | Gunnison | 9723 | Little Soap Park | Soap Mesa |
| Soapy Hill | Fremont | 8874 | Hall Gulch | Soapy Hill |
| Sockrider Peak | Dolores | 12308 | Rico | Sockrider Peak |
| Soda Mountain | Routt | 10804 | Buffalo Pass | Soda Mountain |
| Soldier Mountain | Teller | 9178 | Mount Deception | Soldier Mountain |
| Mount Sopris | Pitkin | 12660 | Mount Sopris | Mount Sopris |
| South Arapaho Peak | Boulder | 13397 | Monarch Lake | South Arapaho Peak |
| South Bald Mountain | Larimer | 11003 | South Bald Mountain | South Bald Mountain |
| South Baldy Mountain | Gunnison | 12380 | West Elk Peak | South Baldy Mountain |
| South Baldy | Ouray | 9829 | Mount Sneffels | South Baldy |
| South Boulder Peak | Boulder | 8549 | Eldorado Springs | South Boulder Peak |
| South Burno Mountain | Fremont | 9660 | Arkansas Mountain | South Burno Mountain |
| South Cinder Butte | La Plata | 6551 | Redmesa | South Cinder Butte |
| South Lookout Peak | San Miguel | 13357 | Ophir | South Lookout Peak |
| South Mamm Peak | Garfield | 11049 | South Mamm Peak | South Mamm Peak |
| South Matchless Mountain | Gunnison | 12233 | Matchless Mountain | South Matchless Mountain |
| South Mountain | Dolores | 9410 | South Mountain | South Mountain |
| South Mountain | Rio Grande | 12555 | Mount Jackson | South Mountain |
| South Peak | Lake | 12892 | South Peak | South Peak |
| South Pinon Hills | Conejos | 8353 | Kiowa Hill | South Pinon Hills |
| South Rattlesnake Butte | Huerfano | 6444 | South Rattlesnake Butte | South Rattlesnake Butte |
| South Rawah Peak | Larimer | 12644 | Rawah Lakes | South Rawah Peak |
| South Reiradon Hill | Logan | 4511 | Reiradon Hill | South Reiradon Hill |
| South River Peak | Mineral | 13149 | South River Peak | South River Peak |
| South Ryder Peak | Grand | 9805 | Whiteley Peak | South Ryder Peak |
| South Saddle Peak | Delta | 10005 | Crawford | South Saddle Peak |
| South Sheep Mountain | Boulder | 8282 | Raymond | South Sheep Mountain |
| South Signal Mountain | Larimer | 11248 | Pingree Park | South Signal Mountain |
| South Table Mountain | Jefferson | 6319 | Golden | South Table Mountain |
| South Tarryall Peak | Park | 11206 | McCurdy Mountain | South Tarryall Peak |
| South Twilight Peak | San Juan | 13111 | Snowdon Peak | South Twilight Peak |
| South Twin Cone Peak | Park | 12323 | Mount Logan | South Twin Cone Peak |
| South White Peak | Huerfano | 10446 | Cucharas Pass | South White Peak |
| Mount Spalding | Clear Creek | 13842 | Mount Evans | Mount Spalding |
| Spaulding Peak | Delta | 8583 | Dry Creek | Spaulding Peak |
| Spearhead Mountain | Park | 11244 | Mount Evans | Spearhead Mountain |
| Specie Mesa | San Miguel | 9723 | Little Cone | Specie Mesa |
| Specimen Mountain | Grand | 12489 | Fall River Pass | Specimen Mountain |
| Spencer Mountain | Boulder | 9650 | Nederland | Spencer Mountain |
| Sperry Mountain | Custer | 10935 | Deer Peak | Sperry Mountain |
| Spicer Peak | Jackson | 8664 | Spicer Peak | Spicer Peak |
| Spiller Peak | Montezuma | 13123 | La Plata | Spiller Peak |
| Spinney Mountain | Park | 9524 | Spinney Mountain | Spinney Mountain |
| Split Rock | Park | 9994 | Shawnee | Split Rock |
| Spooky Mountain | Rio Blanco | 6314 | Rangely NE | Spooky Mountain |
| Sprague Mountain | Grand | 12713 | McHenrys Peak | Sprague Mountain |
| Spread Eagle Peak | Custer | 13431 | Electric Peak | Spread Eagle Peak |
| Spring Creek Mesa | Montrose | 5890 | Atkinson Creek | Spring Creek Mesa |
| Spring Creek Mesa | Montrose | 6210 | Montrose West | Spring Creek Mesa |
| Spring Hill | Garfield | 11109 | Adams Lake | Spring Hill |
| Spring Mountain | Saguache | 13244 | Horn Peak | Spring Mountain |
| Spruce Hill | El Paso | 7688 | Black Forest | Spruce Hill |
| Spruce Mountain | Delta | 10833 | Spruce Mountain | Spruce Mountain |
| Spruce Mountain | Douglas | 7605 | Larkspur | Spruce Mountain |
| Spruce Mountain | Fremont | 9806 | Arkansas Mountain | Spruce Mountain |
| Spruce Mountain | Larimer | 7781 | Drake | Spruce Mountain |
| Spruce Mountain | Mineral | 11577 | Pagosa Peak | Spruce Mountain |
| Spruce Mountain | Montrose | 9731 | Windy Point | Spruce Mountain |
| Spruce Mountain | Ouray | 9882 | Horsefly Peak | Spruce Mountain |
| Spruce Mountain | Saguache | 10866 | Laughlin Gulch | Spruce Mountain |
| Spud Hill | La Plata | 8000 | Hermosa | Spud Hill |
| Spurlin Mesa | Delta | 5593 | Hotchkiss | Spurlin Mesa |
| Square Top Mountain | Clear Creek | 13794 | Montezuma | Square Top Mountain |
| Square Top Mountain | Gunnison | 12985 | Fairview Peak | Square Top Mountain |
| Squaretop Mountain | Archuleta | 11760 | Blackhead Peak | Squaretop Mountain |
| Squaw Hill | Montrose | 8330 | Cerro Summit | Squaw Hill |
| Squaw Hill | Yuma | 3623 | Beecher Island NW | Squaw Hill |
| Squaw Mountain | Clear Creek | 11486 | Squaw Pass | Squaw Mountain |
| Squaw Mountain | Routt | 8545 | Tumble Mountain | Squaw Mountain |
| Squaw Mountain | Teller | 10364 | Cripple Creek South | Squaw Mountain |
| Squaw Point | Dolores | 6724 | Champagne Spring | Squaw Point |
| Squaw Rock | Weld | 5793 | Chalk Bluffs East | Squaw Rock |
| Stadtman Mesa | Rio Blanco | 5901 | Rough Gulch | Stadtman Mesa |
| Stag Mesa | La Plata | 12178 | Mountain View Crest | Stag Mesa |
| Standley Hill | Boulder | 5123 | Erie | Standley Hill |
| Stanley Mountain | Clear Creek | 12521 | Berthoud Pass | Stanley Mountain |
| Star Mesa | Mesa | 6580 | Triangle Mesa | Star Mesa |
| Star Mountain | Lake | 12941 | Independence Pass | Star Mountain |
| Star Peak | Gunnison | 13521 | Pearl Pass | Star Peak |
| Star Peak | La Plata | 11761 | La Plata | Star Peak |
| Starr Peak | Gilpin | 10511 | Tungsten | Starr Peak |
| Starvation Point | Montrose | 7981 | Starvation Point | Starvation Point |
| State Line Peak | Costilla | 12867 | Big Costilla Peak | State Line Peak |
| Static Peak | Grand | 12571 | Mount Richthofen | Static Peak |
| Station Eleven | Hinsdale | 10726 | Lake City | Station Eleven |
| Stealey Mountain | Ouray | 10248 | Courthouse Mountain | Stealey Mountain |
| Steamboat Hill | San Miguel | 7064 | Horse Range Mesa | Steamboat Hill |
| Steamboat Mesa | Mesa | 7710 | Escalante Forks | Steamboat Mesa |
| Steamboat Mountain | Boulder | 6167 | Lyons | Steamboat Mountain |
| Steamboat Rock | Larimer | 6842 | Livermore | Steamboat Rock |
| Steep Mountain | Huerfano | 12025 | Trinchera Peak | Steep Mountain |
| Steep Mountain | Larimer | 9538 | Longs Peak | Steep Mountain |
| Steepy Mountain | Saguache | 9585 | Sargents | Steepy Mountain |
| Stella Mountain | Gunnison | 12597 | Whitepine | Stella Mountain |
| Stewart Mesa | Delta | 5720 | Paonia | Stewart Mesa |
| Stewart Peak | Saguache | 13983 | Stewart Peak | Stewart Peak |
| Stockdale Point | San Miguel | 8635 | Lone Cone | Stockdale Point |
| Stoll Mountain | Park | 10873 | Spinney Mountain | Stoll Mountain |
| Stone Mountain | Larimer | 7655 | Drake | Stone Mountain |
| Stoner Mesa | Dolores | 9167 | Nipple Mountain | Stoner Mesa |
| Stones Peak | Larimer | 12922 | McHenrys Peak | Stones Peak |
| Stoney Face Mountain | Fremont | 11365 | Waugh Mountain | Stoney Face Mountain |
| Stony Mountain | Ouray | 12698 | Telluride | Stony Mountain |
| Storm King Mountain | Garfield | 8793 | Storm King Mountain | Storm King Mountain |
| Storm King Mountain | Saguache | 10849 | Lookout Mountain | Storm King Mountain |
| Storm King Peak | San Juan | 13752 | Storm King Peak | Storm King Peak |
| Storm King | Ouray | 11412 | Buckhorn Lakes | Storm King |
| Storm Mountain | Larimer | 9918 | Glen Haven | Storm Mountain |
| Storm Peak | Dolores | 12095 | Rico | Storm Peak |
| Storm Peak | Douglas | 9199 | Dakan Mountain | Storm Peak |
| Storm Peak | Larimer | 13326 | Longs Peak | Storm Peak |
| Storm Peak | San Juan | 13487 | Silverton | Storm Peak |
| Stormy Peaks | Larimer | 12148 | Pingree Park | Stormy Peaks |
| Stove Mountain | El Paso | 9782 | Manitou Springs | Stove Mountain |
| Strand Hill | Gunnison | 10241 | Crested Butte | Strand Hill |
| Mount Stratus | Grand | 12523 | Mount Richthofen | Mount Stratus |
| Straub Mountain | Teller | 10052 | Cripple Creek South | Straub Mountain |
| Strawberry Peak | Rio Blanco | 6849 | White Rock | Strawberry Peak |
| Mount Streeter | Moffat | 7080 | Axial | Mount Streeter |
| Stucker Mesa | Delta | 6082 | Hotchkiss | Stucker Mesa |
| Stull Mountain | Custer | 10010 | Hardscrabble Mountain | Stull Mountain |
| Sugar Loaf Mountain | Routt | 10047 | Bears Ears Peaks | Sugar Loaf Mountain |
| Sugar Loaf | Costilla | 7882 | Mesito Reservoir | Sugar Loaf |
| Sugar Loaf | Fremont | 7456 | Phantom Canyon | Sugar Loaf |
| Sugar Loaf | Jackson | 8718 | Independence Mountain | Sugar Loaf |
| Sugarloaf Butte | Moffat | 7207 | Sugarloaf Butte | Sugarloaf Butte |
| Sugarloaf Mountain | Boulder | 8917 | Gold Hill | Sugarloaf Mountain |
| Sugarloaf Mountain | Chaffee | 8406 | Buena Vista East | Sugarloaf Mountain |
| Sugarloaf Mountain | Eagle | 9628 | Sugarloaf Mountain | Sugarloaf Mountain |
| Sugarloaf Mountain | El Paso | 7612 | Manitou Springs | Sugarloaf Mountain |
| Sugarloaf Mountain | El Paso | 9633 | Mount Big Chief | Sugarloaf Mountain |
| Sugarloaf Mountain | Lake | 11311 | Homestake Reservoir | Sugarloaf Mountain |
| Sugarloaf Mountain | Larimer | 12153 | Pingree Park | Sugarloaf Mountain |
| Sugarloaf Mountain | Larimer | 8962 | Glen Haven | Sugarloaf Mountain |
| Sugarloaf Mountain | Mesa | 8988 | Hawxhurst Creek | Sugarloaf Mountain |
| Sugarloaf Mountain | Mineral | 12593 | Palomino Mountain | Sugarloaf Mountain |
| Sugarloaf Mountain | Park | 9951 | Farnum Peak | Sugarloaf Mountain |
| Sugarloaf Mountain | Pueblo | 6578 | Beulah | Sugarloaf Mountain |
| Sugarloaf Peak | Clear Creek | 12513 | Georgetown | Sugarloaf Peak |
| Sugarloaf Peak | Eagle | 12545 | Copper Mountain | Sugarloaf Peak |
| Sugarloaf Peak | Jefferson | 8501 | Cheesman Lake | Sugarloaf Peak |
| Sugarloaf Peak | Mesa | 7404 | Collbran | Sugarloaf Peak |
| Sugarloaf Peak | Mesa | 9163 | Vega Reservoir | Sugarloaf Peak |
| Sugarloaf Peak | Moffat | 6642 | Lay | Sugarloaf Peak |
| Sugarloaf | Custer | 9117 | Mount Tyndall | Sugarloaf |
| Sugarloaf | Eagle | 11193 | Toner Reservoir | Sugarloaf |
| Sugarloaf | Grand | 9971 | Ute Peak | Sugarloaf |
| Sugarloaf | San Juan | 12754 | Howardsville | Sugarloaf |
| Suicide Mountain | Eagle | 9842 | Suicide Mountain | Suicide Mountain |
| Sullivan Mountain | Clear Creek | 13134 | Montezuma | Sullivan Mountain |
| Sulphur Mountain | Park | 9339 | Sulphur Mountain | Sulphur Mountain |
| Sultan Mountain | San Juan | 13368 | Silverton | Sultan Mountain |
| Summit Peak | Archuleta | 13300 | Summit Peak | Summit Peak |
| Sundance Mountain | El Paso | 8255 | Palmer Lake | Sundance Mountain |
| Sundance Mountain | Larimer | 12466 | Trail Ridge | Sundance Mountain |
| Sunlight Peak | Garfield | 10568 | Center Mountain | Sunlight Peak |
| Sunlight Peak | La Plata | 14059 | Storm King Peak | Sunlight Peak |
| Sunnyside Mesa | La Plata | 6264 | Loma Linda | Sunnyside Mesa |
| Sunset Point | Douglas | 8007 | Devils Head | Sunset Point |
| Sunshine Mesa | Delta | 5800 | Hotchkiss | Sunshine Mesa |
| Sunshine Mesa | San Miguel | 10885 | Gray Head | Sunshine Mesa |
| Sunshine Mountain | Hinsdale | 13321 | Handies Peak | Sunshine Mountain |
| Sunshine Mountain | San Miguel | 12930 | Mount Wilson | Sunshine Mountain |
| Sunshine Peak | Hinsdale | 14001 | Redcloud Peak | Sunshine Peak |
| Sunshine Point | San Miguel | 9321 | Gray Head | Sunshine Point |
| Mount Susan | Clear Creek | 8467 | Squaw Pass | Mount Susan |
| Swan Mountain | Summit | 10796 | Frisco | Swan Mountain |
| Syncline Hill | Chaffee | 11404 | Garfield | Syncline Hill |
| T V Hill | Las Animas | 7151 | Aguilar | T V Hill |
| Tabeguache Peak | Chaffee | 14155 | Saint Elmo | Tabeguache Peak |
| Table Mountain | Boulder | 5626 | Lyons | Table Mountain |
| Table Mountain | Boulder | 6202 | Eldorado Springs | Table Mountain |
| Table Mountain | Fremont | 7423 | Mount Pittsburg | Table Mountain |
| Table Mountain | Fremont | 9203 | Arkansas Mountain | Table Mountain |
| Table Mountain | Fremont | 9228 | Hall Gulch | Table Mountain |
| Table Mountain | Fremont | 9413 | Coaldale | Table Mountain |
| Table Mountain | Grand | 8830 | Trail Mountain | Table Mountain |
| Table Mountain | La Plata | 11705 | Emerald Lake | Table Mountain |
| Table Mountain | Larimer | 7068 | Table Mountain | Table Mountain |
| Table Mountain | Larimer | 7918 | Virginia Dale | Table Mountain |
| Table Mountain | Mineral | 12688 | Mount Hope | Table Mountain |
| Table Mountain | Mineral | 12860 | Baldy Cinco | Table Mountain |
| Table Mountain | Pueblo | 7038 | Rye | Table Mountain |
| Table Mountain | Saguache | 11900 | Elk Park | Table Mountain |
| Table Rock | El Paso | 7467 | Black Forest | Table Rock |
| Table Rock | Larimer | 6362 | Livermore | Table Rock |
| Table Top Mountain | Boulder | 5409 | Hygiene | Table Top Mountain |
| Table Top | Saguache | 9088 | Houston Gulch | Table Top |
| Tanima Peak | Boulder | 12420 | Isolation Peak | Tanima Peak |
| Tank Mesa | La Plata | 11858 | Mountain View Crest | Tank Mesa |
| Tanks Peak | Moffat | 8717 | Tanks Peak | Tanks Peak |
| Tanner Mesa | Montezuma | 5923 | Tanner Mesa | Tanner Mesa |
| Tanner Peak | Fremont | 9351 | Curley Peak | Tanner Peak |
| Tappan Mountain | Park | 8954 | Tarryall | Tappan Mountain |
| Tater Heap | Gunnison | 10984 | Mount Guero | Tater Heap |
| Tater Hill | Las Animas | 5327 | Thatcher | Tater Hill |
| Taughenbaugh Mesa | Garfield | 6000 | North Mamm Peak | Taughenbaugh Mesa |
| Taylor Hill | Eagle | 11725 | Pando | Taylor Hill |
| Taylor Mesa | Dolores | 10727 | Clyde Lake | Taylor Mesa |
| Taylor Mountain | Boulder | 9134 | Raymond | Taylor Mountain |
| Taylor Mountain | Chaffee | 13657 | Garfield | Taylor Mountain |
| Taylor Peak | Grand | 13153 | McHenrys Peak | Taylor Peak |
| Taylor Peak | Gunnison | 13435 | Pearl Pass | Taylor Peak |
| Teakettle Mountain | Ouray | 13819 | Mount Sneffels | Teakettle Mountain |
| Tecolate Mesa | Las Animas | 6056 | Kim South | Tecolate Mesa |
| Teddys Peak | Costilla | 12579 | Trinchera Peak | Teddys Peak |
| Telescope Mountain | Dolores | 12201 | Rico | Telescope Mountain |
| Teller Mountain | Summit | 12615 | Montezuma | Teller Mountain |
| Telluride Mountain | Conejos | 11205 | Summitville | Telluride Mountain |
| Telluride Peak | Ouray | 13509 | Ironton | Telluride Peak |
| Tenderfoot Hill | Chaffee | 7566 | Salida East | Tenderfoot Hill |
| Tenderfoot Hill | Gunnison | 9249 | West Elk Peak SW | Tenderfoot Hill |
| Tenderfoot Mesa | Mesa | 7702 | Gateway | Tenderfoot Mesa |
| Tenderfoot Mountain | Gunnison | 8624 | Gunnison | Tenderfoot Mountain |
| Tenderfoot Mountain | Summit | 11441 | Dillon | Tenderfoot Mountain |
| Tenmile Peak | Summit | 12933 | Frisco | Tenmile Peak |
| Tenmile Range Peak 10 | Summit | 13633 | Breckenridge | Tenmile Range Peak 10 |
| Tenmile Range Peak 1 | Summit | 12805 | Frisco | Tenmile Range Peak 1 |
| Tenmile Range Peak 3 | Summit | 12676 | Frisco | Tenmile Range Peak 3 |
| Tenmile Range Peak 4 | Summit | 12866 | Frisco | Tenmile Range Peak 4 |
| Tenmile Range Peak 5 | Summit | 12855 | Frisco | Tenmile Range Peak 5 |
| Tenmile Range Peak 6 | Summit | 12573 | Breckenridge | Tenmile Range Peak 6 |
| Tenmile Range Peak 7 | Summit | 12665 | Breckenridge | Tenmile Range Peak 7 |
| Tenmile Range Peak 8 | Summit | 12987 | Breckenridge | Tenmile Range Peak 8 |
| Tenmile Range Peak 9 | Summit | 13195 | Breckenridge | Tenmile Range Peak 9 |
| Tennessee Mountain | Boulder | 9965 | Nederland | Tennessee Mountain |
| Teocalli Mountain | Gunnison | 13208 | Gothic | Teocalli Mountain |
| Tepee Mountain | Grand | 12568 | Mount Richthofen | Tepee Mountain |
| Terra Tomah Mountain | Larimer | 12718 | Trail Ridge | Terra Tomah Mountain |
| Terrible Mountain | Gunnison | 12105 | Fairview Peak | Terrible Mountain |
| Texas Mountain | Rio Blanco | 8455 | Texas Mountain | Texas Mountain |
| Thatchtop | Larimer | 12668 | McHenrys Peak | Thatchtop |
| The Ant Hill | Archuleta | 8336 | Chris Mountain | The Ant Hill |
| The Bears Ears | Moffat | 7662 | Sheephead Basin | The Bears Ears |
| The Beehive | Mesa | 6282 | Molina | The Beehive |
| The Butterfly | San Miguel | 8917 | North Mountain | The Butterfly |
| The Buttes | El Paso | 5380 | Buttes | The Buttes |
| The Cleaver | Boulder | 12019 | Isolation Peak | The Cleaver |
| The Corona | Las Animas | 6823 | Pine Canyon | The Corona |
| The Crater | Chaffee | 9305 | Salida East | The Crater |
| The Dome | Routt | 11739 | Mount Ethel | The Dome |
| The Flat Tops | Mesa | 10690 | Porter Mountain | The Flat Tops |
| The Flatirons | Boulder | 7200 | Eldorado Springs | The Flatirons |
| The Flatiron | San Miguel | 8167 | Placerville | The Flatiron |
| The Guardian | San Juan | 13617 | Storm King Peak | The Guardian |
| The Hat | Montrose | 6224 | Anderson Mesa | The Hat |
| The Heisspit | San Juan | 13262 | Storm King Peak | The Heisspitz |
| The Horns | El Paso | 9212 | Colorado Springs | The Horns |
| The Horn | Montrose | 7122 | Ray Mesa | The Horn |
| The Index | San Juan | 13429 | Snowdon Peak | The Index |
| The Island | Las Animas | 7566 | Weston | The Island |
| The Island | Montezuma | 6330 | Ruin Canyon | The Island |
| The Keyhole | Mineral | 9371 | Pagosa Peak | The Keyhole |
| The Knees | Montezuma | 8883 | Mariano Wash East | The Knees |
| The Knob | Gunnison | 9773 | Mount Guero | The Knob |
| The Mesa | El Paso | 6532 | Pikeview | The Mesa |
| The Monument | Rio Blanco | 6569 | Buckskin Point | The Monument |
| The Nipple | Moffat | 7425 | The Nipple | The Nipple |
| The Notch | Larimer | 8470 | Panorama Peak | The Notch |
| The Pines | Gunnison | 8449 | Paonia Reservoir | The Pines |
| The Reef | Chaffee | 8509 | Nathrop | The Reef |
| The Rocks | Logan | 4502 | Chimney Canyons | The Rocks |
| The Saddle | Summit | 9400 | Squaw Creek | The Saddle |
| The Sand Hills | Weld | 4986 | Hudson | The Sand Hills |
| The Sharkstooth | Larimer | 12630 | McHenrys Peak | The Sharkstooth |
| The Sleeping Giant | Routt | 8663 | Mad Creek | The Sleeping Giant |
| The Spearhead | Boulder | 12575 | McHenrys Peak | The Spearhead |
| The Spider | Eagle | 12692 | Vail East | The Spider |
| The Three Apostles | Chaffee | 13863 | Winfield | The Three Apostles |
| Thirsty Peak | Custer | 13217 | Electric Peak | Thirsty Peak |
| Thirtynine Mile Mountain | Park | 11561 | Thirtynine Mile Mountain | Thirtynine Mile Mountain |
| Thirtyone Mile Mountain | Park | 10330 | Thirtyone Mile Mountain | Thirtyone Mile Mountain |
| Thomas Hill | Douglas | 7758 | Kassler | Thomas Hill |
| Thomas Mountain | Dolores | 8736 | South Mountain | Thomas Mountain |
| Thompson Hill | Moffat | 5614 | Castor Gulch | Thompson Hill |
| Thompson Mountain | Fremont | 8661 | Gribble Mountain | Thompson Mountain |
| Thornburgh Mountain | Moffat | 8089 | Thornburgh | Thornburgh Mountain |
| Thorodin Mountain | Gilpin | 10540 | Tungsten | Thorodin Mountain |
| Thorpe Mountain | Routt | 8970 | Oak Creek | Thorpe Mountain |
| Three Forks Mountain | Routt | 9096 | Shield Mountain | Three Forks Mountain |
| Three Knobs | Gunnison | 9874 | Minnesota Pass | Three Knobs |
| Three Needles | San Miguel | 13481 | Telluride | Three Needles |
| Three Points Mountain | Rio Blanco | 8673 | Thornburgh | Three Points Mountain |
| Three Sisters Peaks | Hinsdale | 11867 | Granite Peak | Three Sisters Peaks |
| Threemile Mountain | Park | 9974 | Dicks Peak | Threemile Mountain |
| Thunder Butte | Douglas | 9836 | Westcreek | Thunder Butte |
| Thunder Mountain | Jackson | 11847 | Fall River Pass | Thunder Mountain |
| Thunder Mountain | La Plata | 13108 | Columbine Pass | Thunder Mountain |
| Thunderbolt Peak | Grand | 11938 | Monarch Lake | Thunderbolt Peak |
| Tie Hill | Mineral | 11144 | Mount Hope | Tie Hill |
| Tiffany Peak | La Plata | 6992 | Tiffany | Tiffany Peak |
| Tijeras Peak | Saguache | 13604 | Crestone Peak | Tijeras Peak |
| Timber Hill | Hinsdale | 10833 | Rio Grande Pyramid | Timber Hill |
| Timber Mountain | El Paso | 6897 | Mount Pittsburg | Timber Mountain |
| Timber Mountain | Garfield | 11425 | Big Marvine Peak | Timber Mountain |
| Timber Ridge | Mesa | 7715 | Payne Wash | Timber Ridge |
| Timbered Hill | Gunnison | 12374 | Pearl Pass | Timbered Hill |
| Tiptop Peak | Summit | 12053 | Montezuma | Tiptop Peak |
| Tiseras Peak | Saguache | 13604 | Crestone Peak | Tiseras Peak |
| Tolvar Peak | Gunnison | 9481 | Gateview | Tolvar Peak |
| Tombstone Hill | Huerfano | 6242 | Pryor | Tombstone Hill |
| Tomichi Dome | Gunnison | 11465 | Doyleville | Tomichi Dome |
| Toney Mountain | Mineral | 12495 | Palomino Mountain | Toney Mountain |
| Topaz Mountain | Park | 11762 | Topaz Mountain | Topaz Mountain |
| Torreys Peak | Clear Creek | 14267 | Grays Peak | Torreys Peak |
| Tower Mountain | San Juan | 13552 | Howardsville | Tower Mountain |
| Trachyte Knob | Teller | 10862 | Pikes Peak | Trachyte Knob |
| Tracy Hill | Teller | 9429 | Divide | Tracy Hill |
| Tracy Mountain | Saguache | 11017 | Laughlin Gulch | Tracy Mountain |
| Trail Mountain | Grand | 9367 | Trail Mountain | Trail Mountain |
| Tram Hill | Boulder | 7087 | Eldorado Springs | Tram Hill |
| Trappers Peak | Rio Blanco | 12002 | Big Marvine Peak | Trappers Peak |
| Traver Mesa | Montrose | 8920 | Moore Mesa | Traver Mesa |
| Traver Peak | Lake | 13852 | Climax | Traver Peak |
| Treasure Mountain | Gunnison | 13528 | Snowmass Mountain | Treasure Mountain |
| Treasure Mountain | Mineral | 11908 | Wolf Creek Pass | Treasure Mountain |
| Treasure Mountain | San Juan | 12818 | Handies Peak | Treasure Mountain |
| Treasurevault Mountain | Lake | 13701 | Climax | Treasurevault Mountain |
| Treasury Mountain | Gunnison | 13462 | Snowmass Mountain | Treasury Mountain |
| Tremont Mountain | Gilpin | 10388 | Black Hawk | Tremont Mountain |
| Triangle Mesa | Mesa | 6255 | Triangle Mesa | Triangle Mesa |
| Triangle Mesa | Mesa | 7951 | Uncompahgre Butte | Triangle Mesa |
| Triangle Mountain | Garfield | 10602 | Deep Lake | Triangle Mountain |
| Triangle Mountain | Larimer | 8415 | Glen Haven | Triangle Mountain |
| Triangle Peak | Pitkin | 9225 | Woody Creek | Triangle Peak |
| Trickle Mountain | Saguache | 10132 | Trickle Mountain | Trickle Mountain |
| Trico Peak | Ouray | 13321 | Ironton | Trico Peak |
| Trinchera Peak | Costilla | 13517 | Trinchera Peak | Trinchera Peak |
| Trinity Peaks | San Juan | 13805 | Storm King Peak | Trinity Peaks |
| Trout Mountain | Mineral | 11950 | Lake Humphreys | Trout Mountain |
| True Mountain | Douglas | 7784 | Greenland | True Mountain |
| Truro Peak | Pitkin | 13282 | New York Peak | Truro Peak |
| Tucker Mountain | Summit | 12421 | Copper Mountain | Tucker Mountain |
| Tumble Mountain | Routt | 8718 | Tumble Mountain | Tumble Mountain |
| Tungsten Mountain | Boulder | 8930 | Tungsten | Tungsten Mountain |
| Tunnel Hill | La Plata | 6648 | Tiffany | Tunnel Hill |
| Turkey Creek Mesa | San Miguel | 10847 | Telluride | Turkey Creek Mesa |
| Turkey Mountain | Archuleta | 7862 | Serviceberry Mountain | Turkey Mountain |
| Turkey Rock | Teller | 8684 | Signal Butte | Turkey Rock |
| Turkey Roost | Larimer | 7734 | Cherokee Park | Turkey Roost |
| Turkshead Peak | Jefferson | 7775 | Platte Canyon | Turkshead Peak |
| Turner Hill | Larimer | 8270 | Crystal Mountain | Turner Hill |
| Turner Peak | Chaffee | 13237 | Tincup | Turner Peak |
| Turret Peak | Garfield | 11525 | Sweetwater Lake | Turret Peak |
| Turret Peak | La Plata | 13835 | Snowdon Peak | Turret Peak |
| Turret Peak | Mineral | 10651 | Lake Humphreys | Turret Peak |
| Turtle Buttes | Pueblo | 6423 | Beulah | Turtle Buttes |
| Turtle Mountain | Douglas | 8882 | Dakan Mountain | Turtle Mountain |
| Tuttle Mountain | San Juan | 13203 | Handies Peak | Tuttle Mountain |
| Twelvemile Mesa | Moffat | 6842 | Twelvemile Mesa | Twelvemile Mesa |
| Twentyfive Mesa | Montrose | 6500 | Camel Back | Twentyfive Mesa |
| Twilight Peak | San Juan | 13158 | Snowdon Peak | Twilight Peak |
| Twin Buttes | Cheyenne | 4621 | Eureka Creek North | Twin Buttes |
| Twin Buttes | La Plata | 7737 | Durango West | Twin Buttes |
| Twin Buttes | Logan | 3880 | Twin Buttes | Twin Buttes |
| Twin Buttes | Moffat | 6299 | Sheepherder Springs | Twin Buttes |
| Twin Buttes | Rio Blanco | 8549 | Big Foundation Creek | Twin Buttes |
| Twin Buttes | Routt | 8512 | Tumble Mountain | Twin Buttes |
| Twin Cones | Grand | 12060 | Berthoud Pass | Twin Cones |
| Twin Hills | Morgan | 4773 | Peace Valley School | Twin Hills |
| Twin Knobs | Gunnison | 8765 | Minnesota Pass | Twin Knobs |
| Twin Mounds | Lake | 11181 | Mount Massive | Twin Mounds |
| Twin Mounds | Weld | 5173 | Berthoud | Twin Mounds |
| Twin Mountains | Saguache | 10530 | Twin Mountains | Twin Mountains |
| Twin Mountain | Fremont | 7884 | Rice Mountain | Twin Mountain |
| Twin Mountain | Routt | 9756 | Hahns Peak | Twin Mountain |
| Twin Peaks | Alamosa | 13580 | Twin Peaks | Twin Peaks |
| Twin Peaks | Chaffee | 13333 | Mount Elbert | Twin Peaks |
| Twin Peaks | Grand | 11957 | Shadow Mountain | Twin Peaks |
| Twin Peaks | Mesa | 7442 | Wagon Track Ridge | Twin Peaks |
| Twin Peaks | Ouray | 10798 | Ouray | Twin Peaks |
| Twin Peaks | Pitkin | 10927 | Quaker Mesa | Twin Peaks |
| Twin Peaks | Saguache | 12461 | Halfmoon Pass | Twin Peaks |
| Twin Rocks | Teller | 8975 | Divide | Twin Rocks |
| Twin Sisters Mountain | Larimer | 11428 | Longs Peak | Twin Sisters Mountain |
| Twin Sisters Peaks | Larimer | 11428 | Longs Peak | Twin Sisters Peaks |
| Twin Sisters Peak | Boulder | 8738 | Tungsten | Twin Sisters Peak |
| Twin Sisters | Saguache | 13012 | Bushnell Peak | Twin Sisters |
| Twin Sisters | San Juan | 13432 | Ophir | Twin Sisters |
| Twin Thumbs | La Plata | 13415 | Storm King Peak | Twin Thumbs |
| Twining Peak | Lake | 13711 | Mount Champion | Twining Peak |
| Two Buttes | Prowers | 4711 | Two Buttes Reservoir | Two Buttes |
| Two Peak | Mesa | 9304 | Porter Mountain | Two Peak |
| Tyler Hill | Las Animas | 5826 | Bates Lake | Tyler Hill |
| Tyler Mountain | Grand | 9375 | Tyler Mountain | Tyler Mountain |
| Mount Tyndall | Custer | 9510 | Mount Tyndall | Mount Tyndall |
| Ulysses S Grant Peak | San Miguel | 13767 | Ophir | Ulysses S Grant Peak |
| Uncle Bob Mountain | Garfield | 9178 | Flatiron Mountain | Uncle Bob Mountain |
| Uncompahgre Butte | Mesa | 9679 | Uncompahgre Butte | Uncompahgre Butte |
| Uncompahgre Peak | Hinsdale | 14309 | Uncompahgre Peak | Uncompahgre Peak |
| Uneva Peak | Summit | 12522 | Vail Pass | Uneva Peak |
| Union Mountain | Summit | 12313 | Copper Mountain | Union Mountain |
| United States Mountain | Ouray | 13036 | Ironton | United States Mountain |
| Upper 4A Mountain | Garfield | 8852 | Henderson Ridge | Upper 4A Mountain |
| Upper Sugarloaf Mountain | Rio Blanco | 9132 | Slide Creek | Upper Sugarloaf Mountain |
| Uranium Peak | Rio Blanco | 9351 | Thornburgh | Uranium Peak |
| Utah Hill | Gilpin | 10504 | Central City | Utah Hill |
| Ute Mountain | Boulder | 9782 | Nederland | Ute Mountain |
| Ute Peak | Grand | 12298 | Ute Peak | Ute Peak |
| Ute Peak | Mineral | 10855 | Wagon Wheel Gap | Ute Peak |
| Ute Peak | Montezuma | 9978 | Battle Rock | Ute Peak |
| V Mountain | Archuleta | 10744 | Harris Lake | V Mountain |
| V Rock | Archuleta | 10716 | Chromo | V Rock |
| Vagneur Mountain | Pitkin | 10369 | Ruedi Reservoir | Vagneur Mountain |
| Vail Mountain | Eagle | 11250 | Red Cliff | Vail Mountain |
| Vallecito Mountain | San Juan | 13428 | Storm King Peak | Vallecito Mountain |
| Valmont Butte | Boulder | 5389 | Niwot | Valmont Butte |
| Mount Valois | La Plata | 13185 | Columbine Pass | Mount Valois |
| Van Mountain | Mesa | 9295 | Flatiron Mountain | Van Mountain |
| Van Wirt Mountain | Chaffee | 13056 | Garfield | Van Wirt Mountain |
| Vance Peak | Clear Creek | 10241 | Squaw Pass | Vance Peak |
| Vasquez Peak | Clear Creek | 12947 | Berthoud Pass | Vasquez Peak |
| Venable Peak | Saguache | 13352 | Rito Alto Peak | Venable Peak |
| Vermejo Peak | Costilla | 13723 | Culebra Peak | Vermejo Peak |
| Vermilion Peak | San Miguel | 13894 | Ophir | Vermilion Peak |
| Vermillion Mesa | Moffat | 6522 | Vermillion Mesa | Vermillion Mesa |
| Vernal Mesa | Montrose | 8774 | Grizzly Ridge | Vernal Mesa |
| Vestal Peak | San Juan | 13664 | Storm King Peak | Vestal Peak |
| Mount Vigil | El Paso | 10073 | Mount Big Chief | Mount Vigil |
| Virginia Peak | Chaffee | 13088 | Winfield | Virginia Peak |
| Vollmer Hill | El Paso | 7704 | Black Forest | Vollmer Hill |
| Vosburg Pike | La Plata | 7403 | Rules Hill | Vosburg Pike |
| Vulcan Mountain | Gunnison | 12987 | Garfield | Vulcan Mountain |
| W Mountain | Garfield | 11890 | Sweetwater Lake | W Mountain |
| Wagon Mesa | Costilla | 9055 | La Veta Pass | Wagon Mesa |
| Wakefield Hill | Custer | 9221 | Rosita | Wakefield Hill |
| Wakefield Mesa | Delta | 7076 | Gray Reservoir | Wakefield Mesa |
| Walker Mountain | Boulder | 8825 | Gold Hill | Walker Mountain |
| Wall Mountain | Fremont | 8868 | Thirtyone Mile Mountain | Wall Mountain |
| Walsen Crag | Huerfano | 6756 | Walsenburg North | Walsen Crag |
| Walton Peak | Routt | 10559 | Walton Peak | Walton Peak |
| Wapiti Peak | Moffat | 7702 | Wapiti Peak | Wapiti Peak |
| Warner Point | Montrose | 8067 | Red Rock Canyon | Warner Point |
| Warren Peak | Jefferson | 8001 | Indian Hills | Warren Peak |
| Mount Warren | Clear Creek | 13307 | Mount Evans | Mount Warren |
| Warrior Mountain | Clear Creek | 11273 | Idaho Springs | Warrior Mountain |
| Wasatch Mountain | San Miguel | 13555 | Telluride | Wasatch Mountain |
| Watanga Mountain | Grand | 12375 | Isolation Peak | Watanga Mountain |
| Waterdog Peak | Montrose | 9394 | Cerro Summit | Waterdog Peak |
| Watervale Butte | Las Animas | 6268 | Branson | Watervale Butte |
| Watson Mountain | Jackson | 8704 | Northgate | Watson Mountain |
| Waugh Mountain | Fremont | 11718 | Waugh Mountain | Waugh Mountain |
| Waverly Mountain | Chaffee | 13309 | Mount Harvard | Waverly Mountain |
| Weber Mountain | Montezuma | 8202 | Mancos | Weber Mountain |
| Webster Hill | Garfield | 5517 | Anvil Points | Webster Hill |
| Webster Mesa | Garfield | 5930 | Anvil Points | Webster Mesa |
| Wedding Bell Mountain | Montrose | 7175 | Bull Canyon | Wedding Bell Mountain |
| Weible Peak | Garfield | 5911 | Silt | Weible Peak |
| Mount Welba | Moffat | 10569 | Freeman Reservoir | Mount Welba |
| Mount Werner | Routt | 10565 | Mount Werner | Mount Werner |
| Mount Wescott | Grand | 10421 | Shadow Mountain | Mount Wescott |
| West Antelope Mountain | Fremont | 10020 | Thirtyone Mile Mountain | West Antelope Mountain |
| West Baldy | Saguache | 11449 | West Baldy | West Baldy |
| West Baldy | San Miguel | 9766 | Sams | West Baldy |
| West Beckwith Mountain | Gunnison | 12185 | West Beckwith Mountain | West Beckwith Mountain |
| West Buffalo Peak | Chaffee | 13326 | Marmot Peak | West Buffalo Peak |
| West Dyer Mountain | Lake | 13047 | Mount Sherman | West Dyer Mountain |
| West Elk Peak | Gunnison | 13035 | West Elk Peak | West Elk Peak |
| West Flatiron | Gunnison | 8548 | Somerset | West Flatiron |
| West Gibraltar Peak | Routt | 8452 | Tumble Mountain | West Gibraltar Peak |
| West Monument | Mesa | 5897 | Mesa | West Monument |
| West Mountain | Gunnison | 10608 | Pitkin | West Mountain |
| West Mountain | La Plata | 11595 | Vallecito Reservoir | West Mountain |
| West Needle Mountain | San Juan | 13045 | Snowdon Peak | West Needle Mountain |
| West Peak | Eagle | 11053 | Lava Creek | West Peak |
| West Point Hill | Gunnison | 10672 | Whitepine | West Point Hill |
| West Sheridan | Lake | 12962 | Mount Sherman | West Sheridan |
| West Silver Mesa | La Plata | 12566 | Mountain View Crest | West Silver Mesa |
| West Spanish Peak | Huerfano | 13626 | Spanish Peaks | West Spanish Peak |
| West Toe | Montezuma | 7325 | Mariano Wash East | West Toe |
| West Ute Mesa | Montezuma | 7085 | Wetherill Mesa | West Ute Mesa |
| West White Pine Mountain | Larimer | 10305 | Crystal Mountain | West White Pine Mountain |
| Weston Peak | Park | 13572 | Mount Sherman | Weston Peak |
| Wetherill Mesa | Montezuma | 7265 | Wetherill Mesa | Wetherill Mesa |
| Mount weto | Lake | 13672 | Climax | Mount Tweto |
| Wetterhorn Peak | Ouray | 14015 | Wetterhorn Peak | Wetterhorn Peak |
| Whale Hill | Saguache | 12162 | Whale Hill | Whale Hill |
| Whale Peak | Summit | 13078 | Jefferson | Whale Peak |
| Wheeler Monument | Mineral | 11959 | Halfmoon Pass | Wheeler Monument |
| Wheeler Mountain | Summit | 13690 | Copper Mountain | Wheeler Mountain |
| Whetstone Mountain | Gunnison | 12516 | Crested Butte | Whetstone Mountain |
| Whipple Mountain | San Miguel | 11922 | Gray Head | Whipple Mountain |
| White Butte | Pueblo | 5839 | Stone City | White Butte |
| White Cap | Mesa | 4861 | Grand Junction | White Cap |
| White Dome | San Juan | 13627 | Storm King Peak | White Dome |
| White Face Butte | Rio Blanco | 7003 | Dragon | White Face Butte |
| White Hills | Custer | 8328 | Westcliffe | White Hills |
| White Hill | Garfield | 6331 | Carbondale | White Hill |
| White River Plateau | Garfield | 10812 | Blair Mountain | White River Plateau |
| White Rock Mountain | Gunnison | 13539 | Gothic | White Rock Mountain |
| White Rock | Larimer | 8784 | Crystal Mountain | White Rock |
| White Slide Mountain | Grand | 10850 | Whiteley Peak | White Slide Mountain |
| White Slide | Jackson | 9531 | Rabbit Ears Peak | White Slide |
| Whitecap Mountain | Dolores | 12376 | Hermosa Peak | Whitecap Mountain |
| Whitecross Mountain | Hinsdale | 13542 | Redcloud Peak | Whitecross Mountain |
| Whitehead Peak | San Juan | 13259 | Howardsville | Whitehead Peak |
| Whitehouse Mountain | Gunnison | 11975 | Marble | Whitehouse Mountain |
| Whitehouse Mountain | Ouray | 13492 | Ouray | Whitehouse Mountain |
| Whiteley Peak | Grand | 10115 | Whiteley Peak | Whiteley Peak |
| Whites Hill | Lake | 11400 | Mount Sherman | Whites Hill |
| Whites Mesa | Montezuma | 7911 | Moccasin Mesa | Whites Mesa |
| Whitewater Hill | Mesa | 4939 | Clifton | Whitewater Hill |
| Mount White | Chaffee | 13347 | Mount Antero | Mount White |
| Whitney Peak | Eagle | 13271 | Mount of the Holy Cross | Whitney Peak |
| Wichita Mountain | Eagle | 10855 | Vail Pass | Wichita Mountain |
| Wickenson Mountain | La Plata | 8792 | Ludwig Mountain | Wickenson Mountain |
| Wilbanks Mesa | Delta | 8174 | Dry Creek | Wilbanks Mesa |
| Mount Wilcox | Clear Creek | 13408 | Montezuma | Mount Wilcox |
| Wild Cow Mesa | Montrose | 5960 | Atkinson Creek | Wild Cow Mesa |
| Wild Mountain | El Paso | 6695 | Mount Pittsburg | Wild Mountain |
| Wild Mountain | Moffat | 8624 | Jones Hole | Wild Mountain |
| Wild Oat Mesa | La Plata | 10411 | Monument Hill | Wild Oat Mesa |
| Wild Steer Mesa | Montrose | 7065 | Bull Canyon | Wild Steer Mesa |
| Wildcat Hill | Bent | 4599 | Ninaview | Wildcat Hill |
| Wildcat Mound | Weld | 4935 | Milliken | Wildcat Mound |
| Wildcat Mountain | Douglas | 6650 | Kassler | Wildcat Mountain |
| Wildcat Mountain | Pitkin | 12094 | Nast | Wildcat Mountain |
| Wildhorse Mesa | Montezuma | 7416 | Wetherill Mesa | Wildhorse Mesa |
| Wildhorse Peak | Ouray | 13266 | Wetterhorn Peak | Wildhorse Peak |
| Wildhorse Tit | Weld | 5457 | Eastman Creek SE | Wildhorse Tit |
| Wilds Peak | Jefferson | 7496 | Indian Hills | Wilds Peak |
| Williams Peak | Grand | 11619 | Battle Mountain | Williams Peak |
| Willoughby Mountain | Pitkin | 13142 | Highland Peak | Willoughby Mountain |
| Willow Creek Mesa | Gunnison | 8885 | Poison Draw | Willow Creek Mesa |
| Willow Mesa | Saguache | 12362 | Stewart Peak | Willow Mesa |
| Willow Mountain | Conejos | 11906 | Red Mountain | Willow Mountain |
| Wilson Mesa | Rio Blanco | 9315 | Sleepy Cat Peak | Wilson Mesa |
| Wilson Mesa | San Miguel | 10053 | Gray Head | Wilson Mesa |
| Wilson Peak | San Miguel | 14017 | Mount Wilson | Wilson Peak |
| Mount Wilson | Dolores | 14246 | Mount Wilson | Mount Wilson |
| Windom Peak | La Plata | 14082 | Columbine Pass | Windom Peak |
| Windy Mountain | Rio Grande | 12608 | Jasper | Windy Mountain |
| Windy Peak | Park | 11970 | Windy Peak | Windy Peak |
| Windy Peak | Saguache | 11885 | Chester | Windy Peak |
| Winfield Peak | Chaffee | 13077 | Winfield | Winfield Peak |
| Winnebago Hill | Gilpin | 8776 | Central City | Winnebago Hill |
| Winter Hills | Archuleta | 8417 | Serviceberry Mountain | Winter Hills |
| Winter Mesa | Montrose | 7068 | Camel Back | Winter Mesa |
| Wise Mountain | Summit | 12052 | Keystone | Wise Mountain |
| Witcher Mountain | Park | 10005 | Witcher Mountain | Witcher Mountain |
| Witter Peak | Clear Creek | 12884 | Empire | Witter Peak |
| Wixson Mountain | Custer | 10810 | Deer Peak | Wixson Mountain |
| Wolcott Mountain | Ouray | 13041 | Mount Sneffels | Wolcott Mountain |
| Wolf Hill | Mesa | 9247 | Pine Mountain | Wolf Hill |
| Wolf Mountain | Moffat | 7432 | Citadel Plateau | Wolf Mountain |
| Wolf Mountain | Routt | 9145 | Wolf Mountain | Wolf Mountain |
| Wolford Mountain | Grand | 9170 | Kremmling | Wolford Mountain |
| Wood Mountain | Boulder | 7845 | Gold Hill | Wood Mountain |
| Woodchuck Hill | Routt | 8971 | Blacktail Mountain | Woodchuck Hill |
| Woodchuck Peak | Clear Creek | 11132 | Georgetown | Woodchuck Peak |
| Woods Mountain | Clear Creek | 12940 | Grays Peak | Woods Mountain |
| Wooten Mesa | Gunnison | 7600 | Minnesota Pass | Wooten Mesa |
| Wrights Mesa | Montrose | 7400 | Norwood | Wrights Mesa |
| Wrigley Mesa | Mesa | 5571 | Westwater | Wrigley Mesa |
| Mount Wuh | Larimer | 10761 | McHenrys Peak | Mount Wuh |
| Wulsten Baldy | Custer | 12829 | Cotopaxi | Wulsten Baldy |
| Y M C A Mountain | Fremont | 6933 | Royal Gorge | Y M C A Mountain |
| Yahoo Mountain | Routt | 8285 | Fly Creek | Yahoo Mountain |
| Mount Yale | Chaffee | 14196 | Mount Yale | Mount Yale |
| Yankee Hill | Gilpin | 11239 | Central City | Yankee Hill |
| Yankee Hill | Lake | 10938 | Leadville North | Yankee Hill |
| Yarmony Mountain | Eagle | 9516 | McCoy | Yarmony Mountain |
| Mount Yeckel | Pitkin | 11765 | Meredith | Mount Yeckel |
| Yegge Peak | Jefferson | 8072 | Indian Hills | Yegge Peak |
| Yellow Cat Butte | Moffat | 6356 | Sevenmile Draw | Yellow Cat Butte |
| Yellow Mountain | San Miguel | 12933 | Ophir | Yellow Mountain |
| Youngs Peak | Delta | 7429 | Crawford | Youngs Peak |
| Ypsilon Mountain | Larimer | 13514 | Trail Ridge | Ypsilon Mountain |
| Mount Yuma | Yuma | 4161 | Schramm | Mount Yuma |
| Zenobia Peak | Moffat | 9005 | Zenobia Peak | Zenobia Peak |
| Mount Zion | Jefferson | 7059 | Morrison | Mount Zion |
| Mount Zion | Lake | 12126 | Leadville North | Mount Zion |
| Mount Zirkel | Routt | 12180 | Mount Zirkel | Mount Zirkel |
| Mount Zwischen | Saguache | 12006 | Medano Pass | Mount Zwischen |
 visits since 2001-aug-15:
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