28,701 campgrounds
Rita Blanca National Grassland
Stanislaus National Forest
Wenatchee National Forest
Teton National Forest
Rogue River National Forest
Okanogan National Forest
Pike National Forest
Sitgreaves National Forest
Lewis & Clark National Forest
Chattahoochee National Forest
Siskiyou National Forest
Inyo National Forest
San Isabel National Forest
Tonto National Forest
Francis Marion National Forest
Mt. Hood National Forest
