29,559 campgrounds
Apache National Forest
Arapaho National Forest
Chattahoochee National Forest
Lewis & Clark National Forest
Rogue River National Forest
Stanislaus National Forest
Tahoe National Forest
San Isabel National Forest
Cache National Forest
Toiyabe National Forest
Los Padres National Forest
Chequamegon National Forest
Bighorn National Forest
Uinta-Wasatch-Cache National Forest
Plumas National Forest
Gallatin National Forest
Bridger-Teton National Forest
Sierra National Forest
Malheur National Forest
Umpqua National Forest
San Bernardino National Forest
Gunnison National Forest
