28,613 campgrounds
Siuslaw National Forest
Nantahala National Forest
Cache National Forest
Grand Mesa National Forest
Wenatchee National Forest
Gallatin National Forest
Arapaho National Forest
Beaverhead National Forest
Deerlodge National Forest
Caddo National Grassland
Bighorn National Forest
Pike National Forest
Umatilla National Forest
Manistee National Forest
Challis National Forest
Rogue River National Forest
Deschutes National Forest
Snoqualmie National Forest
Tahoe National Forest
Umpqua National Forest
White Mountain National Forest
