28,296 campgrounds
Fremont National Forest
Medicine Bow National Forest
Challis National Forest
Little Missouri National Grassland
Chattahoochee National Forest
Lewis & Clark National Forest
Rogue River National Forest
Stanislaus National Forest
San Isabel National Forest
Toiyabe National Forest
Bighorn National Forest
Uinta-Wasatch-Cache National Forest
Plumas National Forest
Gallatin National Forest
Sierra National Forest
Umpqua National Forest
San Bernardino National Forest
Gunnison National Forest
Jefferson National Forest
Mendocino National Forest
Lincoln National Forest
Shasta National Forest
Trinity National Forest
