The accommodation facilities are hotels, lodges, campgrounds (there are 12 campgrounds: Bridge Bay, Canyon, Fishing, RV Bridge, Grant Village, Indian Creek, Lewis Lake, Madison, Mammoth, Norris, Pebble Creek, Slough Creek, Tower Fall), contacting Xanterra Parks and Resorts for reservations, YellowstoneNationalParkLodges.com (for online reservations), TDD (telephone booking).