(Michigan)
Rifle River State Recreation Area is a state park located on the upper reaches of the Rifle River within the Au Sable State Forest in Ogemaw County, in the U.S. state of Michigan. Covering 4,449 acres (1,800 ha), the area provides a variety of recreational opportunities, including boating, canoeing, hiking, hunting, fishing, cross-country skiing, biking, and swimming. (Ref: https://en.wikipedia.org/wiki/Rifle_River_State_Recreation_Area)