Information on recreational vehicle camping within Yellowstone National Park is available from the National Parks Service website, NPS.gov. Xanterra Parks and Resorts and the National Park Service provide at least some RV parking at all 12 campgrounds within Yellowstone National Park as of 2015.
Campgrounds are available with seasonal closures and limited RV spaces of varying sizes. The Yellowstone National Park section of NPS.gov includes information on facilities, closure dates and reservation information for all 12 campgrounds. Six miles outside the west entrance to Yellowstone National Park is the West Yellowstone KOA, a campground facilities organization with affiliates throughout the United States. Recreational vehicle camping is also available at the West Yellowstone KOA.