29,496 campgrounds
Gallatin National Forest
Inyo National Forest
Ashley National Forest
Challis National Forest
Klamath National Forest
Uinta-Wasatch-Cache National Forest
Wasatch National Forest
Mt. Hood National Forest
Shasta National Forest
Shasta-Trinity National Forest
Snoqualmie National Forest
Willamette National Forest
George Washington National Forest
Sequoia National Forest
Humboldt-Toiyabe National Forest
Mt. Baker National Forest
Wallowa National Forest
Los Padres National Forest
Ozark National Forest
Bridger-Teton National Forest
Salmon National Forest
Fishlake National Forest
