29,559 campgrounds
Siskiyou National Forest
Gallatin National Forest
Plumas National Forest
Chequamegon National Forest
Nicolet National Forest
Deerlodge National Forest
Sitgreaves National Forest
Siuslaw National Forest
Umatilla National Forest
Deschutes National Forest
Nezperce National Forest
Cache National Forest
Sierra National Forest
Ozark National Forest
Pike National Forest
Chattahoochee National Forest
San Isabel National Forest
