| # | Name | Rank | Elevation | Prominence | Counties | Quadrangle |
| 1 | Toll, Mount | 651 | 12,979' | 439' | Boulder & Grand | Monarch Lake |
| 2 | Engineer Mountain | 655 | 12,968' | 1,428' | San Juan | Engineer Mountain |
| 3 | Sopris, Mount | 668 | 12,953' | 1,453' | Pitkin | Mount Sopris |
| 4 | West Sopris Benchmark | 12,953' | 293' | Pitkin | Mount Sopris | |
| 5 | Clark Peak | 670 | 12,951' | 2,771' | Jackson & Larimer | Clark Peak |
| 6 | Richthofen, Mount | 671 | 12,951' | 2,691' | Grand & Jackson | Mount Richthofen |
| 7 | Desolation Peaks, East | 672 | 12,949' | 489' | Larimer | Trail Ridge |
| 8 | Vasquez Peak | 674 | 12,947' | 1,007' | Clear Creek & Grand | Berthoud Pass |
| 9 | Pawnee Peak | 676 | 12,943' | 402' | Boulder & Grand | Monarch Lake |
| 10 | Woods Mountain | 681 | 12,940' | 440' | Clear Creek | Grays Peak |
| 11 | Julian, Mount | 697 | 12,928' | 1,220' | Larimer | Grand Lake |
| 12 | Stones Peak | 701 | 12,922' | 902' | Larimer | McHenrys Peak |
| 13 | Desolation Peaks, West | 12,918' | 178' | Larimer | Trail Ridge | |
| 14 | Ida, Mount | 715 | 12,900' | 560' | Grand & Larimer | Grand Lake |
| 15 | Galena Mountain | 720 | 12,893' | 593' | Lake | Homestake Reservoir |
| 16 | George, Mount | 12,876' | 136' | Grand | Monarch Lake | |
| 17 | Elk Tooth | 754 | 12,848' | 468' | Boulder | Isolation Peak |
| 18 | Grouse Mountain | 769 | 12,820' | 760' | Eagle | Grouse Mountain |
| 19 | Howard Mountain | 774 | 12,810' | 880' | Grand & Jackson | Mount Richthofen |
| 20 | Byers Peak | 778 | 12,804' | 1,272' | Grand | Byers Peak |
| 21 | Chief Cheley Peak | 12,804' | 104' | Grand & Larimer | Grand Lake | |
| 22 | "Iroquois" | S | 12,799' | 299' | Grand | Monarch Lake |
| 23 | Cirrus, Mount | 785 | 12,797' | 417' | Grand & Jackson | Mount Richthofen |
| 24 | Cracktop | 12,780' | 80' | Larimer | Grand Lake | |
| 25 | Otter Mountain | 808 | 12,766' | 386' | Clear Creek | Georgetown |
| 26 | Cumulus, Mount | 829 | 12,740' | 440' | Grand & Jackson | Mount Richthofen |
| 27 | "Stapps Peak" | 12,736' | 236' | Larimer | McHenrys Peak | |
| 28 | Terra Tomah Mountain | 12,718' | 258' | Larimer | Trail Ridge | |
| 29 | Hallett Peak | 847 | 12,713' | 733' | Grand & Larimer | McHenrys Peak |
| 30 | Sprague Mountain | 849 | 12,713' | 573' | Grand & Larimer | McHenrys Peak |
| 31 | Nimbus, Mount | 854 | 12,706' | 646' | Grand | Mount Richthofen |
| 32 | Bills Peak | 857 | 12,703' | 643' | Grand | Byers Peak |
| 33 | Thatchtop | 12,668' | 88' | Larimer | McHenrys Peak | |
| 34 | Mahana Peak | 909 | 12,632' | 332' | Boulder | Isolation Peak |
| 35 | Static Peak | 12,580' | 240' | Grand & Jackson | Mount Richthofen | |
| 36 | Spearhead, The | 12,575' | 275' | Boulder | McHenrys Peak | |
| 37 | Andrews Peak | 958 | 12,565' | 1,185' | Grand | Isolation Peak |
| 38 | Stratus, Mount | 12,540' | 160' | Grand | Mount Richthofen | |
| 39 | Lead Mountain | 970 | 12,537' | 477' | Grand & Jackson | Mount Richthofen |
| 40 | Bowen Mountain | 974 | 12,524' | 1,271' | Grand | Bowen Mountain |
| 41 | Hart Ridge | 12,500' | 80' | Grand & Jackson | Mount Richthofen | |
| 42 | Colorado Mines Peak | 1006 | 12,493' | 353' | Clear Creek & Grand | Berthoud Pass |
| 43 | Specimen Mountain | 1010 | 12,489' | 1,731' | Grand & Larimer | Fall River Pass |
| 44 | Otis Peak | 1015 | 12,486' | 426' | Larimer | McHenrys Peak |
| 45 | Sundance Mountain | 1023 | 12,466' | 1,166' | Larimer | Trail Ridge |
| 46 | Chapin, Mount | 1030 | 12,454' | 434' | Larimer | Trail Ridge |
| 47 | "Never Summer Peak" | 12,442' | 262' | Grand & Jackson | Bowen Mountain | |
| 48 | "Never Summer Peak" | 1048 | 12,438' | 458' | Grand | Mount Richthofen |
| 49 | Tanima Peak | 1062 | 12,420' | 359' | Boulder | Isolation Peak |
| 50 | Baker Mountain | S | 12,397' | 297' | Grand | Mount Richthofen |
| 51 | Hiamovi Mountain | 1074 | 12,395' | 895' | Grand | Isolation Peak |
| 52 | Parika Peak | 1075 | 12,394' | 414' | Grand & Jackson | Mount Richthofen |
| 53 | Watanga Mountain | 1085 | 12,381' | 601' | Grand | Isolation Peak |
| 54 | Tepee Mountain | 12,380' | 120' | Grand & Jackson | Mount Richthofen | |
| 55 | Flat Top Mountain | 1104 | 12,354' | 4,054' | Garfield | Orno Peak |
| 56 | Ptarmigan Mountain | 1124 | 12,324' | 304' | Grand | McHenrys Peak |
| 57 | Flattop Mountain | 12,324' | 24' | Grand & Larimer | McHenrys Peak | |
| 58 | Cascade Mountain | 1131 | 12,311' | 835' | Grand | Bowen Mountain |
| 59 | Sawtooth Mountain | 1140 | 12,304' | 364' | Boulder | Allens Park |
| 60 | Parkview Mountain | 1149 | 12,296' | 2,676' | Grand & Jackson | Parkview Mountain |
| 61 | Cooper Peak | 1150 | 12,296' | 436' | Grand | Isolation Peak |
| 62 | Snowdrift Peak | 1158 | 12,274' | 734' | Grand | McHenrys Peak |
| 63 | "Paprika Peak" | 1170 | 12,253' | 553' | Grand & Jackson | Mount Richthofen |
| 64 | "Fleur De Lis" | 1172 | 12,250' | 350' | Grand | Isolation Peak |
| 65 | Lulu Mountain | 1182 | 12,228' | 897' | Grand & Jackson | Fall River Pass |
| 66 | Nakai Peak | 1191 | 12,216' | 636' | Grand | Grand Lake |
| 67 | Zirkel, Mount | 1205 | 12,180' | 3,470' | Jackson & Routt | Mount Zirkel |
| 68 | Saint Vrain Mountain | 1217 | 12,162' | 902' | Boulder | Allens Park |
| 69 | Orno Peak | 1236 | 12,133' | 753' | Garfield | Orno Peak |
| 70 | Adams, Mount | 1243 | 12,121' | 301' | Grand | Isolation Peak |
| 71 | "Petit Grepon" | 12,100' | 80' | Larimer | McHenrys Peak | |
| 72 | Big Agnes Mountain | 1272 | 12,060' | 1,000' | Routt | Mount Zirkel |
| 73 | Thunder Mountain | 1275 | 12,060' | 400' | Grand, Jackson, & Larimer | Fall River Pass |
| 74 | Marten Peak | 1287 | 12,041' | 461' | Grand | Isolation Peak |
| 75 | "Northwest Orno" | 12,027' | 127' | Rio Blanco | Devils Causeway | |
| 76 | Ruby Mountain | 1306 | 12,008' | 308' | Grand & Jackson | Bowen Mountain |
| 77 | Craig, Mount | 1308 | 12,007' | 347' | Grand | Isolation Peak |