River Park is located in Grayling, MI on the east branch of the Ausable river. The Campground is surrounded by thousands of acres of state and federal land which is excellent for Hiking, Biking, Dune buggies, Jeeps, Dirt Bikes, and of course Hunting! There are many lakes in the area for boating and fishing. An outstanding Trout-stream area. Not to mention Canoeing, Snowmobiling, Skiing and Much Much more!