101 campgrounds that take vehicles of 40 feet or more in Washington

The list is thickest in Mt. Baker-Snoqualmie National Forest. Most are run by the Forest Service. Bumping Lake Campground takes the longest rig in Washington at 154 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.