12,439 Trails in United States

Trail Name Difficulty Length (mi) Rating City
Fort Walker  difficulty 2.0 Hilton Head
Fort Valley Trail System Advanced difficulty 6.0 ***** Flagstaff
Fort Steilacoom Park Beginner difficulty 10.0 ** Lakewood
Fort Stanton-Snowy River Cave National Conservation Area  difficulty 93.0 *** Capitan
Fort Rucker Intermediate difficulty 11.0 **** Fort Rucker
Fort Rock Advanced difficulty 0.0 **** Exeter
Fort Rock  difficulty 7.0 Littleton
Fort Richardson State Park & Historic Site / Lost Creek Reservoir State Trailway  difficulty 10.0 Jacksboro
Fort Pierce Mountain Bike Trail (Fort Pierce Mountain Bike Trail)  difficulty 5.0 Fort Pierce
Fort Pierce Mountain Bike Trail Intermediate difficulty 6.0 **** Ft. Pierce
Fort Ord Public Lands Intermediate difficulty 86.0 **** Monterey
Fort Mountain State Park Intermediate difficulty 10.0 *** Chatsworth
Fort Lincoln Trail Beginner difficulty 7.0 **** Mandan
Fort Lewis Mountain Trails Beginner difficulty 12.0 **** Roanoke
Fort Henry Trails  difficulty 20.0 Dover
Fort Harrison State Park Intermediate difficulty 8.0 **** Indianapolis
Fort Graitot Wetlands  difficulty 6.0 Port Huron
Fort George Easiest difficulty 3.0 *** Jacksonville
Fort Ebey St Park Intermediate difficulty 25.0 **** Coupville/whidbey Is
Fort Duffield Advanced difficulty 10 **** Louisville
Fort Defiance Intermediate difficulty 3 **** Estherville
Fort Custer Recreation Area Intermediate difficulty 21.0 ***** Augusta
Fort Clinch Beginner difficulty 14.0 ***** FERNANDINA BEACH
Fort Circle Trail / Fort Dupont Park Beginner difficulty 8.0 *** Washington
Fort Chaffee Tank / Humvee Trails Beginner difficulty 12.0 **** Fort Smith
Fort Boggy State Park  difficulty 0.0 Centerville
Fort Benning MTB Trail Intermediate difficulty 11.0 **** Fort Benning
Fort Bayard Trail System Beginner difficulty 10.0 *** Bayard
Forsythe Park Beginner difficulty 4.0 *** Monroe
Forney Creek Trail Beginner difficulty 5.0 **** Denver
Forks Of The River Intermediate difficulty 4.0 *** Knoxville
Forks Area Trail System (FATS) Intermediate difficulty 37 ***** Clarks Hill
Forked River Mountain Intermediate difficulty 7.0 *** Forked River
Forked Astor Single Track Beginner difficulty 2.0 *** South Milwaukee
Forked Astor Single Track  difficulty 2.0 South Milwaukee
Fork Run Advanced difficulty 8.0 **** Oakland
Fork Mtn Trail - Waterbar section  difficulty 7.0 Richwood
Fork Mtn Trail - Ridge section Advanced difficulty 14.0 **** Richwood
Fork Factory Brook Beginner difficulty 2.0 ** Medfield
Forget Me Not (Noquemanon Trails Network: South Marquette Trails)  difficulty 0.15 Marquette
Forge Mountain Trail  difficulty 5.0 Chesterbrook
Foresthill Divide Intermediate difficulty 11.0 **** Auburn
Forest Ridge Preserve  difficulty 7.0 Austin
Forest Ridge Main Loop Beginner difficulty 1.6 **** Wake Forest
Forest Ridge Little Loop (Forest Ridge Main Loop)  difficulty 0.6 Wake Forest
Forest Park Trail Network Beginner difficulty 9.0 **** Queens
Forest Park - Leif Erikson Drive (Forest Park) Beginner difficulty 12.0 *** Portland
Forest Park Easiest difficulty 30.0 ** Portland
Forest Of Nisene Marks and Soquel Demonstration Forest Advanced difficulty 20.0 ***** Santa Cruz
Forest Lakes Beginner difficulty 10 ** Colorado Springs

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