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Isle Royale National Park is a national park of the United States consisting of Isle Royale, along with more than 400 small adjacent islands and the surrounding waters of Lake Superior, in Michigan. Isle Royale is 45 mi (72 km) long and 9 mi (14 km) wide, with an area of 206.73 sq mi (535.4 km 2 ), making it the fourth-largest lake island in ...
The Stannard Rock Reef is located off Keweenaw Peninsula about 24 miles (39 km) south of Manitou Island and 44 miles (71 km) north of Marquette, Michigan. [1] [10] In 1835, Captain Charles C. Stannard of the vessel John Jacob Astor first discovered this underwater mountain that extends for 0.25 miles (0.40 km) with depths as shallow as 4 feet (1.2 m) and averaging 16 feet (4.9 m).
This inlet is screened from the open waters of Lake Superior by several offshore islands, including Mott Island, which is the site of the park headquarters. [ 3 ] Travel to Rock Harbor from the Upper Peninsula of Michigan is by the Ranger III park service ferry, operating from Houghton, Michigan , [ 4 ] the Isle Royale Queen IV out of Copper ...
The Grand Sable Dunes today form a five-mile-long sand slope that rises from Lake Superior at a 35° angle. The summits of the tallest dunes are as high as 275 feet (85 m) above lake level. Glacial melt during the last major advance/retreat called the Marquette Readvance created the conditions for the formation of the Grand Sable Banks.
Isle Royale (/ ˈ r ɔɪ əl /, ROY-əl) [1] is an island of the Great Lakes located in the northwest of Lake Superior and part of the U.S. state of Michigan.The island and the 450 surrounding smaller islands and waters make up Isle Royale National Park.
Lake Superior is the largest of the Great Lakes, and the coastline is sparsely populated. At 206 square miles (530 km 2), Isle Royale is the largest Michigan island and is the center of Isle Royale National Park, which itself contains over 450 islands. The following is a list of islands in Lake Superior that are not part of Isle Royale National ...
Lake Superior: Copper Harbor 28 ft (8.5 m) 1869: Active Copper Harbor Light ... Grays Reef Light: Lake Michigan: Bliss Township, Emmet County 82 ft (25 m) 1891/1936 ...
Passage Island is a small island in the U.S. territory in western Lake Superior.It is the northeasternmost island in Isle Royale National Park, and the northernmost part of Michigan with any human-made structures, although the Gull Island chain is slightly further north.