29,559 campgrounds
Inyo National Forest
Wallowa-Whitman National Forest
Boise National Forest
Buffalo Gap National Grassland
Sequoia National Forest
Tahoe National Forest
Willamette National Forest
Plumas National Forest
Medicine Bow National Forest
Cache National Forest
Mt. Hood National Forest
Mendocino National Forest
Apache National Forest
Huron National Forest
Gallatin National Forest
Jefferson National Forest
Olympic National Forest
Kaniksu National Forest
