28,702 campgrounds
Nezperce National Forest
Malheur National Forest
Chattahoochee National Forest
Rogue River National Forest
Snoqualmie National Forest
San Bernardino National Forest
Ozark National Forest
Wasatch National Forest
Willamette National Forest
Lassen National Forest
Deerlodge National Forest
Lewis & Clark National Forest
Wallowa National Forest
George Washington National Forest
Fremont National Forest
Siuslaw National Forest
Eldorado National Forest
Chequamegon National Forest
Umpqua National Forest
Ashley National Forest
Six Rivers National Forest
Whitman National Forest
McClellan Creek National Grassland
