29,505 campgrounds
Clearwater National Forest
Humboldt National Forest
Shasta-Trinity National Forest
Deschutes National Forest
Sitgreaves National Forest
Tahoe National Forest
Bighorn National Forest
Siskiyou National Forest
Sequoia National Forest
Plumas National Forest
Mt. Hood National Forest
Jefferson National Forest
Deerlodge National Forest
Trinity National Forest
Apache National Forest
Winema National Forest
Roosevelt National Forest
Gallatin National Forest
