30,720 campgrounds
Pike National Forest
Willamette National Forest
Kisatchie National Forest
Ozark National Forest
Waurika Lake — Kiowa Park I
Eldorado National Forest
Olympic National Forest
Okanogan National Forest
Huron National Forest
Wasatch National Forest
Bridger-Teton National Forest
Manti-La Sal National Forest
San Isabel National Forest
St. Joe National Forest
Stanislaus National Forest
Angeles National Forest
Rio Grande National Forest
Manistee National Forest
Medicine Bow National Forest
Chattahoochee National Forest
