1,390 Trails in Colorado

Trail Name Difficulty Length (mi) Rating City
Breckenridge Freeride Park (Breckenridge Ski Resort) difficulty 0.0 Breckenridge
Breakneck Pass / FS RD #175 Intermediate difficulty 10.0 ** Fairplay
Boy Scout Trail (Lower Loop) Intermediate difficulty 2.0 **** Crested Butte
Boy Scout Trail Advanced difficulty 5.0 ***** Glenwood Springs
Boulder Valley Ranch Beginner difficulty 7 ** Boulder
Boulder Mtn Rd / FS #279 difficulty 5.0 St Elmo
Boulder Mason (Evolution Bike Park at Crested Butte Mountain Resort) Advanced difficulty 1.0 **** Crested Butte
Boreas Pass Easiest difficulty 10.0 *** Breckenridge
Boomerang Trail Intermediate difficulty 5.0 **** Telluride
Bookcliff Beginner difficulty 20.0 *** Grand Junction
Bonzai DH (Bike Snowmass Bike Park) Expert difficulty 2.0 ***** Snowmass Village
Bonita Hill difficulty 20.0 Villa Grove
Bones (South Shore Lake Pueblo) Advanced difficulty 0.0 Pueblo
Bon Scott difficulty 23.0 Boulder
Bomber trail difficulty 3.0 Breckenridge
Boggy Draw Loop Intermediate difficulty 9.0 **** Dolores
Bobcat Ridge Intermediate difficulty 4.0 **** Masonville
Bluffs Regional Park Trail Easiest difficulty 4.0 *** Lone Tree
Bluffs Loop (Emerald Mountain) difficulty 2.0 **** Steamboat Springs
Bluestem Prairie Open Space Beginner difficulty 9.0 ** Colorado Springs
Blue Sky Loop (Penitente Canyon) Intermediate difficulty 1.0 **** Del Norte
Blue Sky difficulty 11.0 Winter Park
Blue Sky Intermediate difficulty 15.0 **** Fort Collins
Blue River Trail difficulty 3.0 Breckenridge
Blue River Trail Easiest difficulty 3.0 ** Silverthorne
Blue Ribbon difficulty 2.0 Mesa
Blue Lakes Road / #850 Easiest difficulty 3.0 ** Breckenridge
Blodgett Intermediate difficulty 3.0 *** Colorado Springs
Block & Tackle Trail / #545 difficulty 5.0 Crested Butte
BLM RD 1737 Beginner difficulty 2.0 *** Rangely
BLM RD 1042 difficulty 3.0 *** Rangely
Blanca Wetlands Trail System difficulty 0.0 Alamosa
Blair Witch (Emerald Mountain) Intermediate difficulty 1.0 *** Steamboat Springs
Blair Witch Intermediate difficulty 1.0 **** Breckenridge
Blackjack / Raspberry Ridge (Buffalo Creek) Expert difficulty 3.0 **** Pine
Black Mountain Trail #1185 difficulty 0.0 Craig
Black Gulch Trail difficulty 6.0 Gunnison
Black Forest Section 16 Trail Easiest difficulty 4.0 *** Black Forest
Black Forest Regional Park Beginner difficulty 4.0 ** Black Forest
Black Cloud Trail Advanced difficulty 6.0 Leadville
Bishop's Rock Advanced difficulty 6.0 **** Monte Vista
Bike Snowmass Bike Park Advanced difficulty 75.0 **** Snowmass Village
Big Willis Gulch Trail Advanced difficulty 6.0 *** Leadville
Big Double 8 Loop (Telegraph Trail System) Advanced difficulty 20.0 **** Durango
Big Canyon Advanced difficulty 2.0 **** Durango
Big Bend Creek / #488 difficulty 6.0 Sargents
Betty's trail difficulty 1.0 Breckenridge
Betasso Preserve Intermediate difficulty 7.0 **** Boulder
Berry Creek Loop Intermediate difficulty 4.0 *** Edwards
Bergen Peak (Elk Meadow) Advanced difficulty 8.0 ***** Evergreen

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