National Park Service, State
Fabulous Fox! Water Trail
Illinois, Wisconsin
Water Trail (other)
City, Town, or County
Fairmount Park Bike Path
Pennsylvania
Frontcountry Trail, Urban Trail
USDA Forest Service
Fall Creek Falls Trail
Oregon
Backcountry Trail
Fall Creek Trail
State
Falls Branch
Arkansas
Farm Island System Trail
South Dakota
U.S. Corps of Engineers
Farmdale Trail System
Illinois
Backcountry Trail, Rail Trail
Feaster Trail
Urban Trail
Feather Falls Trail
California
Nonprofit
Feeder Canal Towpath Trail
New York
Frontcountry Trail
Other Federal
Felix Lake Nature Trail
Florida
U.S. Fish and Wildlife Service
Ferguson Bayou Nature Trail
Michigan
