Isle Royale National Park is an American national park consisting of Isle Royale and hundreds of adjacent islands, as well as the surrounding waters of Lake Superior, in the state of Michigan. Isle Royale National Park was established on April 3, 1940, then additionally protected from development by wilderness area designation in 1976, and declared a UNESCO International Biosphere Reserve in 1980. The park covers 894 square miles , with 209 square miles of land and 685 square miles of surrounding waters.
The park's northern boundary lies adjacent to the Canadian Lake Superior National Marine Conservation Area along the international border. With 25,798 visitors in 2018, tt is the least-visited national park in the contiguous United States.
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Source: National Park Service
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Source: National Park Service
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