Mammoth is the only campground in Yellowstone which is opened year around. It is situated on a hillside just below Mammoth Hot Springs Village, near Park employee housing, 5 miles inside the northern entrance to the Park. The campground itself is thinly wooded. Elk frequent the area.
Mammoth Campground is open year around.
Reservations: No (all sites first-come, first-served)
Dates: Open all year
Elevation: 6,200 feet above sea level
Accessible Sites: Yes
Flush toilets: Yes (and vault toilets)
Generators: 8 am to 8 pm (60db limit)
RV Sites: Most are pull-through (max length 75′)
Dump station: No