Full visitor facilities are located a short distance away in the town of St. Mary, just outside the park. The campground is usually open from late May through early September. St. Mary has 156 sites suitable for tents or RV's. 90 of those sites will accommodate vehicles or vehicle assemblies up to 35 feet. The campground has flush toilets and a disposal station.
Primitive camping is available through the fall, winter, and spring.
Rising Sun Campgrounds Rising Sun Campground is located on St. Mary Lake 6 miles west of the town of St. Mary. Full visitor facilities are located within easy walking distance at the Rising Sun Motor Inn. The campground is usually open from early June through mid-September. Rising Sun has 84 sites suitable for tents or RV's. 5 of those sites will accommodate vehicles or vehicle assemblies up to 30 feet.