29 campgrounds that take vehicles of 40 feet or more in South Dakota

Black Hills National Forest holds the most of them in the state. The Forest Service runs most of them. Redbank Spring Campground takes the longest rig in South Dakota at 164 feet.

A campground is listed when the longest permitted vehicle in its Recreation.gov site records is 40 feet or more. The figure is the longest single site, so most sites at a listed campground are shorter.