1,163 Trails in field169562field196607Boulder, Colorado

Trail Name Difficulty Length (mi) Rating City
Scotts Run / Hinman Creek Advanced difficulty 15.0 **** Steamboat Springs
Colorado Mountain College Trails Intermediate difficulty 15.0 **** Leadville
Hoffheins Advanced difficulty 15.0 ***** Durango
Oil Well Flats Intermediate difficulty 15.0 **** Canon City
North Shore Lake Pueblo State Park Beginner difficulty 15.0 *** Pueblo
Road #184 Beginner difficulty 15.0 *** Salida
Aspen Ridge / Road #185 Easiest difficulty 15.0 *** Salida
Breckenridge Ski Resort Intermediate difficulty 15.0 *** Breckenridge
Spring Creek Road / #744 Intermediate difficulty 15.0 ** Crested Butte
Arnold Gulch Area Intermediate difficulty 15.0 *** Buena Vista
Road #187 Easiest difficulty 15.0 ***** Buena Vista
Deep Creek Trail Advanced difficulty 15.0 **** Telluride
Colorado Trail: Green Mountain (Colorado Trail) Intermediate difficulty 16.0 ***** Deckers
Marshall Mesa Area Beginner difficulty 16.0 *** Boulder
Cisneros / Snowslide Advanced difficulty 16 **** San Isabel
Hot Springs Trail Intermediate difficulty 16.0 **** Steamboat Springs
East-West Regional Trail Beginner difficulty 16.0 *** Highlands Ranch
Brockover Mesa - Outer Loop (Brockover Mesa / Turkey Springs Network) Intermediate difficulty 16.0 ***** Pagosa Springs
Devil Mountain: Snow Springs Trail difficulty 16.0 Pagosa Springs
Gilsonite And Wolverine Trail (Stillwater Pass) Advanced difficulty 16.0 **** Grand Lake
CDT / Wyoming Trail #1101: Dumont Lake to Buffalo Pass Intermediate difficulty 16.0 ***** Steamboat Springs
Tennessee Pass Nordic Center Easiest difficulty 16.0 **** Leadville
Hubbard Mesa Intermediate difficulty 16.0 **** Rifle
Fishers Peak State Park difficulty 16 Starkville
Waterton Canyon Beginner difficulty 17 **** Littleton
Warren Gulch Advanced difficulty 17.0 *** Idaho Springs
Kannah Creek difficulty 17.0 Whitewater
Sheep Creek Intermediate difficulty 17.0 ***** Fairplay
Wasatch Trail Advanced difficulty 17.0 ***** Telluride
Broken Thumb difficulty 17.0 Winter Park
Electric Hills difficulty 17 Montrose
CDT: Alpine Tunnel Advanced difficulty 18.0 ***** St Elmo
PMI / Nature Trails Easiest difficulty 18.0 * Pueblo
Westridge Loop Intermediate difficulty 18.0 **** Keystone
Gold Dust Trail Intermediate difficulty 18.0 **** Como
Catamount Ranch Past Raspberry Intermediate difficulty 18.0 *** Woodland Park
Deep Creek Trail Advanced difficulty 18.0 **** Creede
Lobo Trail Easiest difficulty 18 *** Longmont to Boulder
Methodist Mountain Intermediate difficulty 18.0 **** Salida
Chainsaw difficulty 18.0 Fraser
CDT: Berthoud Pass to Herman Gulch difficulty 18.0 Berthoud Falls
Hermosa Creek Trail Intermediate difficulty 19.0 ***** Durango
Three Forks Trail Intermediate difficulty 19.0 **** Rifle
Colorado Trail: Sargents Mesa to Hwy 114 (Colorado Trail) difficulty 19.0 Saguache
Lory State Park Intermediate difficulty 20 **** Fort Collins
Keystone Resort Bike Park Advanced difficulty 20 ***** Dillon
Colorado Trail: South Platte To Buffalo Creek (Colorado Trail) Intermediate difficulty 20.0 **** Deckers
Reno / Flag / Bear / Deadman Loop Advanced difficulty 20.0 ***** Crested Butte
Winding Stairs Trail difficulty 20.0 **** Palmer Lake
Vedauwoo Intermediate difficulty 20.0 **** Laramie

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