(Michigan)
Grand Mere State Park is a public recreation and nature preservation area in the southwestern part of the U.S. state of Michigan near Stevensville. The state park is located adjacent to Interstate 94. Protected from Lake Michigan by the dunes to the west, the park has many natural features not found throughout the rest of the state. In 1968 it was designated a National Natural Landmark. (Ref: https://en.wikipedia.org/wiki/Grand_Mere_State_Park)