| Pass |
Location |
Pass/ Highpoint |
Starting Point |
Max Grade |
Approx route average grade |
Start to summit/ High point miles: |
Approx Elev Gain feet |
Rating |
Gateway Cities |
| Mt Evans |
Front Range North |
14260 |
Echo Lake |
10.0% |
5.1% |
14 |
3800 |
Difficult+ |
Idaho Springs, Evergreen |
| Rocky Mountain NP |
Front Range North |
12183 |
Estes Park |
7.5% |
3.9% |
24 |
4900 |
Difficult |
Estes Park |
| Rocky Mountain NP |
Front Range North |
12183 |
Grand Lake |
5.5% |
3.0% |
25 |
4000 |
Difficult |
Granby |
| Cottonwood |
South Central |
12126 |
Buena Vista |
10.0% |
4.1% |
19.5 |
4200 |
Difficult |
Buena Vista, Salida |
| Cottonwood |
South Central |
12126 |
Taylor Park |
8.0% |
3.8% |
13.5 |
2700 |
Moderate |
Gunnison, Crested Butte |
| Independence |
Central |
12095 |
Aspen |
7.0% |
4.2% |
19 |
4200 |
Difficult |
Aspen |
| Independence |
Central |
12095 |
Twin Lakes |
6.5% |
2.8% |
20 |
3000 |
Moderate |
Twin Lakes, Leadville |
| Loveland |
Central |
11992 |
Loveland Ski Area |
9.0% |
4.6% |
4.5 |
1100 |
Moderate |
Idaho Springs, Silverthorn |
| Loveland |
Central |
11992 |
Keystone Ski Area |
10.0% |
5.9% |
8.5 |
2650 |
Moderate |
Dillon, Silverthorn |
| Hoosier |
Central |
11541 |
Fairplay |
7.5% |
2.6% |
11.5 |
1600 |
Easy |
Fairplay, South Park |
| Hoosier |
Central |
11541 |
Breckenridge |
8.0% |
3.6% |
10 |
1900 |
Moderate |
Frisco, Dillon |
| Slumgullion |
South Central |
11361 |
Lake City |
9.5% |
5.2% |
10.5 |
2900 |
Difficult |
Gunnison, Lake City |
| Spring Creek |
South Central |
11361 |
Lake City |
9.5% |
3.8% |
17 |
3400 |
Difficult |
Gunnison, Lake City |
| Spring Creek |
South Central |
11361 |
Creede |
6.0% |
1.4% |
32 |
2400 |
Easy |
Creede, South Fork |
| Slumgullion |
South Central |
11361 |
Creede |
6.0% |
1.7% |
40 |
3500 |
Moderate |
Creede, South Fork |
| Fremont |
Central |
11318 |
Leadville |
7.0% |
1.8% |
12 |
1150 |
Easy |
Leadville |
| Fremont |
Central |
11318 |
Copper Mt |
7.5% |
3.4% |
11 |
2000 |
Moderate |
Frisco, Dillon |
| Berthoud |
Front Range North |
11315 |
Empire |
6.0% |
3.8% |
13 |
2600 |
Moderate |
Empire, Denver |
| Berthoud |
Front Range North |
11315 |
Winter Park |
6.5% |
3.4% |
11 |
2000 |
Moderate |
Winter Park, Granby |
| Monarch |
South Central |
11312 |
Sargents |
7.0% |
5.2% |
10 |
2750 |
Moderate |
Gunnison |
| Monarch |
South Central |
11312 |
Maysville |
7.5% |
4.9% |
11.5 |
3000 |
Moderate |
Poncha Springs, Salida |
| Squaw/Juniper |
Front Range North |
11130 |
Bergen Park |
11.0% |
4.0% |
16 |
3350 |
Moderate |
Bergen Park, Evergreen |
| Squaw/Juniper |
Front Range North |
11130 |
Idaho Springs |
10.0% |
4.1% |
17.5 |
3800 |
Moderate |
Idaho Springs |
| Red Mountain |
Southwestern |
11081 |
Ridgway |
9.0% |
3.2% |
24 |
4100 |
Difficult |
Ouray, Montrose |
| Red Mountain |
Southwestern |
11081 |
Silverton |
7.5% |
3.4% |
10 |
1800 |
Easy |
Silverton |
| Molas |
Southwestern |
10910 |
Durango |
8.0% |
2.5% |
42 |
5500 |
Difficult |
Durango |
| Molas |
Southwestern |
10910 |
Silverton |
8.0% |
5.0% |
6.5 |
1700 |
Easy |
Silverton |
| Wolf Creek |
Southern |
10850 |
Pagsa Springs |
8.5% |
3.3% |
21.5 |
3700 |
Difficult |
Pagosa Springs, Durango |
| Wolf Creek |
Southern |
10850 |
South Fork |
7.5% |
2.4% |
21 |
2650 |
Moderate |
South Fork, Del Norte |
| Grand Mesa |
Western Slope |
10840 |
Cedaredge |
0.06 |
0.0445076 |
20 |
4700 |
Difficult |
Cedaredge, Delta, Hotchkiss |
| Grand Mesa |
Western Slope |
10840 |
I-70 |
0.06 |
0.0324265 |
33 |
5650 |
Difficult |
Grand Junction, Palisades |
| Coal Bank |
Southwestern |
10640 |
Silverton |
8.0% |
3.4% |
13.5 |
2400 |
Moderate |
Silverton |
| Coal Bank |
Southwestern |
10640 |
Durango |
8.0% |
2.2% |
33 |
3900 |
Moderate |
Durango |
| Vail |
Central |
10600 |
Copper Mt |
6.0% |
3.6% |
5 |
950 |
Easy |
Copper Mtn., Frisco |
| Vail |
Central |
10600 |
Vail Trailhead |
7.0% |
3.0% |
15 |
2400 |
Easy |
Vail |
| Tennessee |
Central |
10424 |
Leadville |
4.0% |
0.9% |
10 |
500 |
Easy |
Leadville |
| Tennessee |
Central |
10424 |
Minturn |
7.5% |
2.4% |
21 |
2650 |
Moderate |
Minturn, Vail |
| Cameroon |
Front Range North |
10276 |
Gould |
5.0% |
2.8% |
9 |
1350 |
Easy |
Gould, Walden |
| Cameroon |
Front Range North |
10276 |
Co 287 |
6.0% |
3.6% |
12 |
2250 |
Moderate |
Fort Collins |
| Lizard Head |
Southwestern |
10250 |
Telluride |
8.0% |
2.5% |
15 |
1950 |
Moderate |
Telluride |
| Lizard Head |
Southwestern |
10250 |
Rico |
7.0% |
2.9% |
12.5 |
1900 |
Moderate |
Cortez |
| La Manga |
Southern |
10230 |
Antonito |
9.0% |
1.6% |
27 |
2300 |
Moderate |
Alamosa |
| La Manga |
Southern |
10230 |
Chama, NM |
6.0% |
2.7% |
19 |
2700 |
Moderate |
Chama, NM |
| North Cochetopa |
South Central |
10149 |
Gunnison |
7.5% |
1.8% |
39.5 |
3800 |
Moderate |
Gunnison |
| North Cochetopa |
South Central |
10149 |
Saguache |
7.0% |
1.9% |
30 |
3000 |
Moderate |
Saguache |
| Red Hill |
Front Range South |
10030 |
Fairplay |
4.5% |
2.1% |
4 |
450 |
Easy |
Fairplay |
| Red Hill |
Front Range South |
10030 |
Baily |
6.0% |
2.0% |
34 |
3600 |
Moderate |
Conifer, Evergreen |
| Cumbres |
Southern |
10022 |
Antonito |
9.0% |
1.5% |
34.5 |
2800 |
Moderate |
Alamosa |
| Cumbres |
Southern |
10022 |
Chama, NM |
6.0% |
3.5% |
12 |
2200 |
Moderate |
Chama, NM |
| Kenosha |
Front Range South |
9994 |
Fairplay |
5.0% |
1.1% |
20 |
1200 |
Easy |
Fairplay |
| Kenosha |
Front Range South |
9994 |
Baily |
6.5% |
2.5% |
19 |
2500 |
Moderate |
Conifer, Evergreen |
| Cucharas |
Southern |
9941 |
North Lake |
8.0% |
3.3% |
7.5 |
1300 |
Easy |
Trinidad |
| Cucharas |
Southern |
9941 |
La Veta |
7.5% |
3.2% |
17 |
2900 |
Moderate |
Walsenburg |
| Willow Creek |
Front Range North |
9683 |
US 40 and CO 125 |
5.0% |
1.5% |
22 |
1800 |
Easy |
Granby, RMNP, Winter Park |
| Willow Creek |
Front Range North |
9683 |
Rand |
5.5% |
2.0% |
9.5 |
1000 |
Easy |
Walden |
| Gore |
Northwestern |
9524 |
Tonopas |
7.0% |
1.8% |
16.5 |
1600 |
Easy |
Tonopas, Streamboat Springs |
| Gore |
Northwestern |
9524 |
CO 40 & 134 |
7.0% |
4.0% |
10.5 |
2200 |
Moderate |
Kremmling |
| Wilkerson |
Front Range South |
9507 |
Florissant |
6.0% |
1.7% |
15 |
1350 |
Easy |
Colorado Springs, Manitou Springs, Wooldand Park |
| Wilkerson |
Front Range South |
9507 |
Hartsel |
6.0% |
0.9% |
15 |
700 |
Easy |
Buena Vista |
| Trout Creek |
South Central |
9487 |
Buena Vista |
4.0% |
2.0% |
15 |
1550 |
Easy |
Buena Vista, Salida |
| Trout Creek |
South Central |
9487 |
Hartsel |
4.5% |
0.9% |
13.5 |
630 |
Easy |
Fairplay, Manitou Springs, Wooldand Park |
| Muddy/Rabbit Ears |
Northwestern |
9426 |
CO 184 |
6.0% |
3.0% |
9.5 |
1500 |
Easy |
Kremmling |
| Muddy/Rabbit Ears |
Northwestern |
9426 |
Steamboat Springs |
7.5% |
2.7% |
20.5 |
2900 |
Moderate |
Steamboat Springs |
| North La Veta |
Southern |
9413 |
La Veta |
7.0% |
3.5% |
13.5 |
2500 |
Easy |
Walsenburg |
| North La Veta |
Southern |
9413 |
Fort Garland |
4.6% |
1.5% |
20 |
1550 |
Easy |
Alamosa |
| Ute |
Front Range South |
9165 |
Woodland Park |
4.0% |
2.0% |
7 |
750 |
Easy |
Colorado Springs, Manitou Springs, Wooldand Park |
| Ute |
Front Range South |
9165 |
Florissant |
2.5% |
2.4% |
8 |
1000 |
Easy |
Hartsel, Buena Vista |
| Hardscrabble |
Front Range South |
9085 |
Westcliff |
6.0% |
2.3% |
10 |
1200 |
Easy |
Walsenburg |
| Hardscrabble |
Front Range South |
9085 |
Wetmore |
9.0% |
3.6% |
16 |
3000 |
Moderate |
Pueblo |
| Poncha |
South Central |
9019 |
Poncha Spings |
7.0% |
3.9% |
7.5 |
1550 |
Easy |
Salida, Poncha Springs |
| Poncha |
South Central |
9019 |
Villa Grove |
6.0% |
1.4% |
14 |
1050 |
Easy |
Saguache |
| Dallas Divide |
Western Slope |
8970 |
Placerville |
5.5% |
2.5% |
13 |
1700 |
Easy |
Telluride |
| Dallas Divide |
Western Slope |
8970 |
Ridgway |
7.5% |
3.6% |
10 |
1900 |
Moderate |
Ouray, Montrose |
| McClure |
Western Slope |
8755 |
Paonia Reserv. Co Rd 12 |
8.0% |
2.5% |
18.5 |
2450 |
Easy |
Hotchkiss |
| McClure |
Western Slope |
8755 |
Carbondale |
9.0% |
2.1% |
23.5 |
2600 |
Moderate |
Glenwood Springs |