Fort Rock Loop
Silver Lake, Oregon
Difficulty: Easy1.1 mi249 ftelevation gain Loop27m
Ozark Highlands Trail
Winslow, Arkansas
Difficulty: Expert270.0 mi33,599 ftelevation gain Point to Point64h 3m
Continental Divide Trail
Pike National Forest, Colorado
Difficulty: Difficult3001.6 mi259,508 ftelevation gain Point to Point3600h
Arthurs Rock Overlook Trail and West Valley Trail
Fort Collins, Colorado
Difficulty: Moderate3.1 mi938 ftelevation gain Loop
Arthur's Rock to Howard Trail Loop
Fort Collins, Colorado
Difficulty: Difficult4.2 mi1,483 ftelevation gain Loop2h 1m
Arthur's Rock, Timber, Westridge, and South Valley Loop
Fort Collins, Colorado
Difficulty: Difficult8.5 mi2,201 ftelevation gain Loop3h 42m
South Valley to Horsetooth Rock Trail
Fort Collins, Colorado
Difficulty: Expert12.0 mi2,569 ftelevation gain Out & Back4h 49m
Mill Creek Trail to Horsetooth Rock Trail
Fort Collins, Colorado
Difficulty: Expert15.7 mi4,826 ftelevation gain Out & Back7h 1m
Hole-in-the-Ground
Fort Rock, Oregon
Difficulty: Easy2.0 mi387 ftelevation gain Out & Back51m
Fort Nathan Hale (Black Rock Fort)
East Haven, Connecticut
Difficulty: Easy0.9 mi39 ftelevation gain Loop
Fort DeRussy Trail
Rock Creek Park, District of Columbia
Difficulty: Easy0.5 mi174 ftelevation gain Point to Point
Western Ridge Trail to Valley Trail and Fort de Russy
Washington, District of Columbia
Difficulty: Moderate4.5 mi1,122 ftelevation gain Loop1h 45m
Shelving Rock Mountain and Shelving Rock Falls Trail
Fort Ann, New York
Difficulty: Difficult6.3 mi1,732 ftelevation gain Loop2h 37m
Shelving Rock Mountain Trail
Fort Ann, New York
Difficulty: Moderate3.0 mi902 ftelevation gain Out & Back1h 22m
Shelving Rock and Black Mountain Loop
Fort Ann, New York
Difficulty: Expert14.2 mi3,579 ftelevation gain Loop6h 19m
Horsetooth Falls and Horsetooth Rock Trail
Fort Collins, Colorado
Difficulty: Difficult5.7 mi1,906 ftelevation gain Loop2h 42m
Buck Mountain via Shelving Rock Road
Fort Ann, New York
Difficulty: Moderate4.3 mi1,253 ftelevation gain Out & Back2h 1m
South Ridge and Horsetooth Rock Trail Loop
Fort Collins, Colorado
Difficulty: Moderate3.6 mi1,138 ftelevation gain Loop1h 42m
South Ridge and Horsetooth Rock to Horsetooth Mountain
Fort Collins, Colorado
Difficulty: Difficult4.9 mi1,680 ftelevation gain Out & Back2h 20m
Brushy Creek Trail East to Kenny Fort
Round Rock, Texas
Difficulty: Moderate5.9 mi472 ftelevation gain Out & Back2h 2m
Fort Funston Trail
San Francisco, California
Difficulty: Easy2.0 mi413 ftelevation gain Loop45m
Fort Worth Nature Center and Refuge Trails
Fort Worth, Texas
Difficulty: Easy3.8 mi295 ftelevation gain Loop
Fort Ord Public Lands
Seaside, California
Difficulty: Moderate5.0 mi607 ftelevation gain Loop1h 49m
Fort Custer Recreation Area
Augusta, Michigan
Difficulty: Difficult7.1 mi650 ftelevation gain Loop2h 30m