29,559 campgrounds
Apache National Forest
Sequoia National Forest
San Bernardino National Forest
Routt National Forest
Eldorado National Forest
St. Joe National Forest
Gallatin National Forest
Wallowa National Forest
Deerlodge National Forest
Snoqualmie National Forest
Shasta-Trinity National Forest
Manistee National Forest
Crooked River National Grassland
Mt. Hood National Forest
Stanislaus National Forest
Bighorn National Forest
Los Padres National Forest
Chattahoochee National Forest
Sumter National Forest
Hoosier National Forest
