29,559 campgrounds
Lewis & Clark National Forest
Chattahoochee National Forest
Sequoia National Forest
Stanislaus National Forest
Pike National Forest
Nicolet National Forest
Okanogan National Forest
Medicine Bow National Forest
Willamette National Forest
Kisatchie National Forest
Ozark National Forest
Mendocino National Forest
Toiyabe National Forest
Mt. Hood National Forest
Sierra National Forest
Los Padres National Forest
Eldorado National Forest
Nezperce National Forest
