28,772 campgrounds
Trinity National Forest
Malheur National Forest
Willamette National Forest
Delta National Forest
Snoqualmie National Forest
Chattahoochee National Forest
Ozark National Forest
Umpqua National Forest
Coeur d'Alene National Forest
Tahoe National Forest
Custer National Forest
Uinta National Forest
Caribou National Forest
Klamath National Forest
Sierra National Forest
Nezperce National Forest
Rogue River National Forest
Kaibab National Forest
San Bernardino National Forest
