12 campgrounds that take vehicles of 40 feet or more in North Dakota

The list is thickest in Ashtabula Lake. They lean to the east of the state rather than being spread evenly across it. Downstream Campground takes the longest rig in North Dakota at 79 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.