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Rock of Ages Lighthouse is located just outside Washington Harbor 5 miles (8 km) off the northwest tip of Isle Royale National Park in Michigan’s Keweenaw County. Built in 1908, this lighthouse still serves as a navigational aid for boats. It is one of the tallest lighthouses on Lake Superior and is the tallest in the park standing at an impressive 130 feet (40 m) on a remote reef. Due to its size and isolated location, its construction was a major feat of engineering. It was listed on the National Register of Historic Places in 1983.

Also visit Rock Harbor Lighthouse, Passage Island Lighthouse, and Isle Royale Lighthouse all found at Isle Royale National Park.

Visitors to Isle Royale National Park must arrive by boat or seaplane. There are transportation services that depart from Houghton, MI, Copper Harbor, MI, and Grand Portage, MN.


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