28,421 campgrounds
Gallatin National Forest
Ozark National Forest
Pike National Forest
Chattahoochee National Forest
Grand Mesa National Forest
Wasatch National Forest
Rogue River National Forest
Targhee National Forest
Cache National Forest
Arapaho National Forest
Challis National Forest
Chippewa National Forest
Beaver Lake — Starkey
Malheur National Forest
Umpqua National Forest
Custer State Park
George Washington National Forest
Shasta-Trinity National Forest
Jefferson National Forest
Siskiyou National Forest
Trinity National Forest
