Michigan
Hayes State Park
Verified by America’s State Parks Editorial Team – Updated March 2026
Hayes State Park is a public state park in Michigan near Onsted in Lenawee, Jackson, Washtenaw County. Spanning 654 acres and established in 1920, this park offers a peaceful retreat into nature for visitors of all ages.
Quick Facts
| State | Michigan |
| Nearest City | Onsted |
| County | Lenawee, Jackson, Washtenaw |
| Park Size | 654 acres |
| Established | 1920 |
| Google Rating | ⭐ 4.5/5 (600 reviews) |
| Accessibility | Accessible There are accessible restrooms and changing rooms in the beach house located in the day-use area on Wamplers Lake. JR’s Food Concessions runs a general store that sells food and camping items and rents float mats. available. Accessible There are accessible boating access sites on Wamplers and Round lakes. Please keep in mind that Round Lake is a no-wake lake and that parking is limited at this location. available. Accessible There is an accessible fishing pier located on Round Lake, adjacent to the boating access site. available. Accessible There is a picnic shelter located in the park’s day-use area that includes picnic tables, charcoal grills and electrical service (reservations only). Shelter reservations can be made 12 months in advance at MiDNRReservations.com. There are connected modern restrooms. available. |
Location & Getting There
Hayes State Park is located near Onsted, Michigan. The park’s coordinates are 42.0711, -84.1316.
Explore More Michigan State Parks
Hayes State Park is one of many outstanding state parks in Michigan. Discover more parks in our Best State Parks in Michigan guide, or use our Park Finder to search by activity, location, or features.
Last updated: March 6, 2026