Greenstone Ridge Trail, Hiking trail on Isle Royale National Park, Michigan, United States.
The Greenstone Ridge Trail is a hiking path that stretches 40 miles from Windigo Harbor to Rock Harbor, following the natural spine of Isle Royale through dense forests and elevated ridges. The path crosses various elevation zones and landscape types, with the surroundings constantly shifting.
The area was settled thousands of years ago by indigenous peoples who mined copper and used trade routes. When the island became protected land in 1940, human settlement ended but the geological formations and forests remained intact.
The island served as a meeting point for people who used its resources and established trade connections across generations. Today, visitors walking through can still discover old foundations and remnants of past settlements scattered along the path.
Getting to this trail requires a ferry or seaplane ride from Michigan or Minnesota, with departure points in Houghton, Copper Harbor, and Grand Portage. Hikers should come well prepared since conditions are demanding and shelter options are sparse along the way.
The trail climbs Mount Desor, the highest point on the island, where views of Lake Superior and inland forests open up unexpectedly. This overlook becomes a memorable reward for those who make the demanding journey.
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