29,505 campgrounds
Arapaho National Forest
Stanislaus National Forest
Challis National Forest
Chippewa National Forest
Malheur National Forest
Wasatch National Forest
Bridger-Teton National Forest
Cache National Forest
Umpqua National Forest
Targhee National Forest
Mt. Hood National Forest
Custer State Park
Chequamegon National Forest
George Washington National Forest
Shasta-Trinity National Forest
Deerlodge National Forest
Jefferson National Forest
Siskiyou National Forest
Uinta National Forest
Helena National Forest
Eldorado National Forest
