Nonprofit

Willamette River Water Trail

Oregon

National Water Trail

USDA Forest Service

William Bartram Trail

Georgia

Backcountry Trail, Frontcountry Trail

USDA Forest Service

William Pogue

Idaho

Backcountry Trail

Nonprofit

Willimantic River Water Trail

Connecticut

Water Trail (other)

USDA Forest Service

Williwaw Trail

Alaska

Backcountry Trail, Urban Trail

U.S. Fish and Wildlife Service

Willows Trail

Texas

Backcountry Trail

City, Town, or County

Wilson Creek Trail

Texas

Frontcountry Trail, Urban Trail

USDA Forest Service

Wilson Mountain Trail

Arizona

Backcountry Trail

City, Town, or County

Wilson's Creek Greenway

Missouri

Frontcountry Trail, Urban Trail

State

Wind Creek State Park Trail System

Alabama

Backcountry Trail

State

Window Cliffs Trail

Tennessee

Backcountry Trail

USDA Forest Service

Winom Creek

Oregon

USDA Forest Service

Winsor Trail

New Mexico

Backcountry Trail, Urban Trail

City, Town, or County

Wintersmith Park Jogging Trail

Oklahoma

Urban Trail

USDA Forest Service

Wise River Snowmobile Trail

Montana

Backcountry Trail

City, Town, or County

Wissahickon Park Trail System

Pennsylvania

State

Withlacoochee State Trail

Florida

Rail Trail

City, Town, or County

Witmer Trace Nature Trail

Indiana

Backcountry Trail

City, Town, or County

Wolf River Greenway Trail

Tennessee

Frontcountry Trail

National Park Service

Wonderland Trail

Washington

Backcountry Trail