29,559 campgrounds
Gallatin National Forest
Wallowa National Forest
Klamath National Forest
Routt National Forest
Los Padres National Forest
George Washington National Forest
Medicine Bow National Forest
Mt. Hood National Forest
Lassen National Forest
Jefferson National Forest
Deerlodge National Forest
Manistee National Forest
Stanislaus National Forest
Bighorn National Forest
Lyndon B. Johnson National Grassland
Beaverhead National Forest
Umatilla National Forest
Shasta-Trinity National Forest
Bridger-Teton National Forest
