Ortonville Recreation Area 
5779 Hadley Rd.
Ortonville, MI 48462
810-797-4439
http://www.michigandnr.com/parksandtrails/Details.aspx?type=SPRK&id=481
State Park: Bike, Birding, Camp, Fish, Hike, Picnic, Walk, Water Sports
Ortonville Recreation Area with 5,400 acres contains high wooded hills and a wide range of recreational activities.