28,841 campgrounds
Delta National Forest
Shasta-Trinity National Forest
Chattahoochee National Forest
Ozark National Forest
Umpqua National Forest
Uinta National Forest
Sierra National Forest
Nezperce National Forest
Malheur National Forest
Rogue River National Forest
Snoqualmie National Forest
San Bernardino 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
