29,559 campgrounds
Whitman National Forest
Wenatchee National Forest
San Bernardino National Forest
Wasatch National Forest
Humboldt-Toiyabe National Forest
Umatilla National Forest
Chattahoochee National Forest
Routt National Forest
Uncompahgre National Forest
Sequoia National Forest
Ottawa National Forest
Caribou-Targhee National Forest
Sierra National Forest
Challis National Forest
Jefferson National Forest
Snoqualmie National Forest
Cherokee National Forest
San Isabel National Forest
George Washington National Forest
