Lewis Lake campground is the southernmost campground in Yellowstone. It is located approximately halfway between Grant Village and the Park’s South entrance (about 12 miles from the South entrance). The campground is located on Lewis Lake, one of Yellowstone’s larger lakes.
Lewis Lake Campground is open from mid-June to early November.
Reservations: No (all sites first-come, first-served)
Elevation: 7,800 feet above sea level
Accessible Sites: Yes
Flush toilets: No (vault toilets)
RVs: 25′ length limit
Dump station: No