Greenstone Ridge Trail is located on Isle Royale National Park in Michigan’s Keweenaw County. This is a 40 mile (64.3 km) point to point trail that extends from Windigo Harbor to Rock Harbor, spanning the entire length of the park. High quality and well maintained trails and infrastructure make camping very comfortable. The trail mainly follows the top of Greenstone Ridge that is a low ridge that forms the spine of the island goes over Mount Desor which is the highest point of Isle Royale.
For a full list of hiking trails visit the Lake Superior Hiking Trails Blog