28,387 campgrounds
George Washington National Forest
Medicine Bow National Forest
Bighorn National Forest
Lyndon B. Johnson National Grassland
Beaverhead National Forest
Umatilla National Forest
Shasta-Trinity National Forest
Los Padres National Forest
Flathead National Forest
Challis National Forest
Humboldt-Toiyabe National Forest
Carson National Forest
Rogue River National Forest
Siuslaw National Forest
Angeles National Forest
Cleveland National Forest
Ozark National Forest
Mt. Baker National Forest
Hiawatha National Forest
Gifford Pinchot National Forest
Stanislaus National Forest
Apache National Forest
