28,789 campgrounds
Gallatin National Forest
Chequamegon National Forest
Nicolet National Forest
Deerlodge National Forest
Siuslaw National Forest
Umatilla National Forest
Deschutes National Forest
Sierra National Forest
Cache National Forest
Ozark National Forest
Pike National Forest
Chattahoochee National Forest
Grand Mesa National Forest
Medicine Bow National Forest
Wasatch National Forest
Rogue River National Forest
Targhee National Forest
Arapaho National Forest
Stanislaus National Forest
Challis National Forest
