1,345 Trails in Colorado

Trail Name Difficulty Length (mi) Rating City
Upper Sol Train Trail (Methodist Mountain) 1.51 Salida
Upper Lower Loop (Lower Loop) Beginner 2.0 **** Crested Butte
Upper Loop Advanced 7.0 **** Crested Butte
Upper Bench Cut Trail (Hogbacks) Advanced 1.0 ***** Canon City
Unkle Nazty (Arkansas Hills) Expert 1.0 ***** Salida
Unchained (Midland Hills Trails) Advanced 2.7 ***** Buena Vista
Two Elk via Vail Pass Advanced 13.0 ***** Vail
Two BrandsTrail Beginner 5.0 *** Littleton
Twin Lakes Trail 2.0 Twin Lakes
Twin Lakes Loop Intermediate 15.0 **** Leadville
Twin Buttes Intermediate 10.0 ***** Durango
Twelvemile Trail Intermediate 3.0 *** Fairplay
Turquoise Lake Intermediate 13.0 **** Leadville
Turks Intermediate 1.0 ***** Breckenridge
Turkey Flats Intermediate 10.0 **** Fruita
Turkey Creek / Trail #580 10.0 Pagosa Springs
Tunnel Drive Easiest 4.0 ** Canon City
Tumble Creek 4.0 Fairplay
Trust Loop (Phil’s World) 3.39 Cortez
True Romance 1.0 Breckenridge
Troy Built Trail (Kokopelli Area Trails) Advanced 8.0 **** Fruita
Trout Creek Trail Intermediate 8.0 **** South Fork
Trough Gulch Trail / #902 1.0 Saguache
Troublesome Creek 17.0 Granby
Trinidad Lake State Park Beginner 5.0 * Trinidad
Trestle Bike Park Advanced 25.0 ***** Fraser
Treasure Mountain Trail Intermediate 8.0 **** South Fork
Trash Trail 1.0 Dillon
Trail 403 / Washington Gulch Expert 4.0 ***** Crested Butte
Trail 401 Intermediate 14.0 ***** Crested Butte
Trail 2G 2.0 Sargents
Trail #992 3.0 Saguache
Trail #8 (Rabbit Valley) Intermediate 14.0 ***** Fruita
Trail #765.1B 2.0 Sargents
Trail #7627 / #779.1A 4.0 Pitkin
Trail #757 1.0 Salida
Trail #750.2F 1.0 Sargents
Trail #648 3.0 Crested Butte
Trail #625 Intermediate 2.0 * Sargents
Trail #623 2.0 Crested Butte
Trail #6039 (Spanish Mill Area) 1.0 Buena Vista
Trail #6038 (Spanish Mill Area) 1.0 Buena Vista
Trail #6037 (Spanish Mill Area) 1.0 Buena Vista
Trail #6029 (Spanish Mill Area) 2.0 Buena Vista
Trail #578 Intermediate 4.0 * Sargents
Trail #494 1.0 Sargents
Trail #409.5A Intermediate 3.0 ***** Crested Butte
Trail #2 (Rabbit Valley) Intermediate 11.0 **** Fruita
Trail #1450.A (Midland Hills Trails) Beginner 1 *** Buena Vista
Trail #1434.A Intermediate 2.0 ** Buena Vista