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

National Park Service

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