Newaygo State Park is a public recreation area covering 257 acres (104 ha) on the south side of Hardy Dam Pond in Big Prairie Township, Newaygo County, Michigan. The state park sits atop 20-foot (6.1 m) embankments overlooking the six-mile-long (10 km), 4,000-acre (1,600 ha) impoundment of the Muskegon River.