28,387 campgrounds
Medicine Bow National Forest
Manti-La Sal National Forest
Nicolet National Forest
Siskiyou National Forest
Angeles National Forest
San Isabel National Forest
Manistee National Forest
Chattahoochee National Forest
Oconee National Forest
Sumter National Forest
Wenatchee National Forest
Plumas National Forest
Shasta-Trinity National Forest
Shasta National Forest
Lolo National Forest
Sequoia National Forest
Gallatin National Forest
Bitterroot National Forest
Sitgreaves National Forest
Modoc National Forest
Payette National Forest
Lyndon B. Johnson National Grassland
