29,559 campgrounds
Cache National Forest
Willamette National Forest
Ozark National Forest
Challis National Forest
Chattahoochee National Forest
Beaverhead National Forest
George Washington National Forest
Caribou National Forest
Deschutes National Forest
Mt. Baker National Forest
San Isabel National Forest
Pike National Forest
Jefferson National Forest
Lyndon B. Johnson National Grassland
San Bernardino National Forest
Tahoe National Forest
White River National Forest
