City, Town, or County

Discovery Park Loop Trail

Washington

Urban Trail

USDA Forest Service

Discovery Trail

Arkansas

Backcountry Trail

USDA Forest Service

Discovery Trail

Florida

Backcountry Trail

USDA Forest Service

Discovery Trail

California

Backcountry Trail

City, Town, or County

Dismal Swamp Canal Trail

North Carolina

Frontcountry Trail

U.S. Fish and Wildlife Service

Display Pond Trail

Montana

Backcountry Trail

USDA Forest Service

Divide-Twin Creek Trail

Idaho

Backcountry Trail

City, Town, or County

Dobbs Park Trail System

Indiana

Backcountry Trail

Private

Doc Hilt Trails

Alabama

Backcountry Trail

U.S. Fish and Wildlife Service

Doeskin Ranch Trail System

Texas

Backcountry Trail

USDA Forest Service

Dog Canyon Trail

New Mexico

Backcountry Trail

U.S. Fish and Wildlife Service

Dog Run Hollow

Oklahoma