State

Port Royal Sound Adventure Trail

South Carolina

Water Trail (other)

State

Post Oak Nature Trail

Kansas

Backcountry Trail

USDA Forest Service

Potawatomi-Gorge Falls Trail

Michigan

Backcountry Trail

State

Potomac River Water Trail

District of Columbia, Maryland, Virginia, West Virginia

Frontcountry Trail, Water Trail (other)

Nonprofit

Poudre River Trail Corridor

Colorado

Backcountry Trail, Urban Trail

City, Town, or County

Prairie Creek Greenway

Missouri

Frontcountry Trail, Urban Trail

U.S. Corps of Engineers

Prairie Creek Jogging Trail

Arkansas

Urban Trail

State

Prairie Spirit Rail Trail State Park

Kansas

Rail Trail

U.S. Fish and Wildlife Service

Prairie Winds Trail

South Dakota

Backcountry Trail

U.S. Fish and Wildlife Service

Prairie-Marsh Boardwalk

Montana

Backcountry Trail

City, Town, or County

Prescott Peavine Trail

Arizona

Backcountry Trail, Rail Trail

State

Presque Isle State Park Multi-purpose Trail

Pennsylvania

Urban Trail