29,559 campgrounds
Sierra National Forest
Gunnison National Forest
Flathead National Forest
Shoshone National Forest
Lewis & Clark National Forest
Wallowa National Forest
Deerlodge National Forest
Mt. Baker National Forest
George Washington National Forest
Jefferson National Forest
Fremont National Forest
Umatilla National Forest
Siuslaw National Forest
Deschutes National Forest
Cleveland National Forest
Eldorado National Forest
Chequamegon National Forest
Caribou National Forest
