Isle Royale National Park | view more tourist attractions

Detailed map of Isle Royale National Park. Isle Royale National Park is a U.S. National Park on Isle Royale and adjacent islands in Lake Superior, in the state of Michigan. Isle Royale National Park was established on April 3, 1940; designated as a National Wilderness Area in 1976; and made an International Biosphere Reserve in 1980. The park covers 894 square miles (2,320 km2), with 209 square miles (540 km2) above water. At the U.S.-Canada border, it meets the borders of the future Canadian Lake Superior National Marine Conservation Area.