Thompson's Harbor State Park

Thompson's Harbor State Park is a remote and largely undeveloped public recreation area on Lake Huron covering 5,109 acres (2,068 ha) in Presque Isle County, Michigan. The state park's seven point five miles (12.1 km) of pristine shoreline encompass a varying terrain of second growth forest, limestone cobble beaches, and deep sand dunes.

Source: Wikipedia — Thompson's Harbor State Park (CC BY-SA 4.0)