U.S. Corps of Engineers

Johnson Tract Trail

Missouri

Backcountry Trail

State

Jones Gap

South Carolina

Frontcountry Trail

City, Town, or County

Jordan Park Nature Trail

Wisconsin

Backcountry Trail, Urban Trail

State

Jordan River Pathway

Michigan

U.S. Corps of Engineers

Josh Park Memorial Trail

Arkansas

Backcountry Trail, Urban Trail

USDA Forest Service

Joyce Kilmer Memorial Loop Trail

North Carolina

Backcountry Trail

USDA Forest Service

Jubilee Lake

Oregon

Backcountry Trail

State

Junction and Breakwater Trail

Delaware

Backcountry Trail, Rail Trail

Nonprofit

Juniata River Water Trail

Pennsylvania

Water Trail (other)

U.S. Fish and Wildlife Service

Kanatak Trail

Alaska

Backcountry Trail

Nonprofit

Kankakee River Water Trail

Indiana

National Water Trail

State

Kansas River Trail

Kansas

National Water Trail

City, Town, or County

Karina Miller Preserve Loop Trail

Georgia

Backcountry Trail, Urban Trail

U.S. Corps of Engineers

Kaskaskia River Confluence Trail

Illinois

Backcountry Trail

City, Town, or County

Kathryn Abbey Hanna Park Trail System

Florida

Backcountry Trail

National Park Service

Kaupo Trail

Hawaii

Backcountry Trail

City, Town, or County

Kaw River Trail

Kansas

Backcountry Trail

Private

Kelly's Run-Pinnacle Trail System

Pennsylvania

Backcountry Trail

USDA Forest Service

Kelsey Trail (Elbow Springs-Lake Harrington)

California

Backcountry Trail

USDA Forest Service

Kettle Crest

Washington

Backcountry Trail