29,559 campgrounds
Chattahoochee National Forest
Jefferson National Forest
Whitman National Forest
Lyndon B. Johnson National Grassland
Ocala National Forest
San Bernardino National Forest
Mt. Baker National Forest
Humboldt-Toiyabe National Forest
Medicine Bow National Forest
Tahoe National Forest
White River National Forest
Lassen National Forest
Caddo National Grassland
Six Rivers National Forest
Siskiyou National Forest
George Washington National Forest
Sabine National Forest
Sierra National Forest
Challis National Forest
Okanogan National Forest
Coconino National Forest
