29,559 campgrounds
San Isabel National Forest
Snoqualmie National Forest
Sierra National Forest
Cache National Forest
Challis National Forest
George Washington National Forest
Caribou National Forest
Deschutes National Forest
Huron National Forest
Lewis & Clark National Forest
Ashley National Forest
Wenatchee National Forest
Helena National Forest
Gallatin National Forest
Bridger National Forest
Chequamegon National Forest
Deerlodge National Forest
Grand Mesa National Forest
Wasatch National Forest
Coconino National Forest
Inyo National Forest
