Hayes State Park — RV Camping in Onsted, MI

Hayes State Park sits on the shores of Wamplers Lake in the heart of Michigan's scenic Irish Hills region near Onsted, in Lenawee County. Surrounded by rolling hills and interconnected lakes, this beloved southeastern Michigan park offers a classic Great Lakes camping experience within a few hours of Detroit, Toledo, and Ann Arbor. Campers enjoy direct access to Wamplers Lake via an on-site boat launch, making it a popular destination for fishing, kayaking, and motorboating. Hiking and nature trails wind through the park's wooded landscape, providing opportunities to explore the area's natural beauty on foot. The campground is well-equipped with electrical hookups (30-amp), water hookups, flush toilets, and shower facilities, accommodating both tent campers and RV travelers. Picnic tables and grills are available throughout the sites, and a playground makes this a family-friendly destination. Anglers will appreciate Wamplers Lake's reputation for bass, pike, and panfish. The surrounding Irish Hills area features additional state recreation areas, historic landmarks, and charming small towns to explore. Hayes State Park is an ideal home base for anyone looking to experience Michigan's freshwater playground in a relaxed, natural setting.