Geology
The area is covered with glacial moraines, kettle lakes, and swampy lowlands. Much of the area is open grasslands of abandoned agricultural fields with some oak forests on hilly areas with shrub swamps remaining in lowlands. Over 20 lakes, the largest at about 200 acres (81 ha), are in the park. The area is in the Grand River and Huron River watersheds. The highest elevation is Stofer Hill at 1,150 feet (350 m).
Read more about this topic: Pinckney State Recreation Area