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Isle Royale geologic map Cross-section of the Lake Superior basin showing the tilted strata of volcanic rock that form Isle Royale. The island is composed largely of ridges, running roughly southwest-to-northeast. The main ridge, Greenstone Ridge, is over 1,000 ft (300 m) in many places.
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 .
Isle Royale, the principal island of Isle Royale National Park in Michigan in the United States, is an isolated island with little migration of animals into and out of the island, and as a national park, human interaction and impact on the two species is also limited. Both the wolves and the moose first became established populations on Isle ...
Siskiwit Lake [1] is the largest lake on Isle Royale in Lake Superior. 4,150 acres (16.8 km 2) in area, [2] the lake has cold, clear water which is relatively low in nutrients. [3] Tributaries include the Little Siskiwit River, and the lake's outlet is the Siskiwit River which flows into Lake Superior.
At 206.7 square miles (535 km 2), the island of Isle Royale itself is the third largest island in the contiguous United States (after Long Island and Padre Island) and is the fourth largest lake island in the world. Isle Royale National Park has a total area of 894 square miles (2,320 km 2), of which 209 square miles (540 km 2) is land. Isle ...
The climate of Salvation Islands focuses on the characteristics of Royale Island. Royale Island (French: Île-Royale) has a tropical savanna climate (Köppen climate classification). The average annual temperature in Royale Island is 27.6 °C (81.7 °F). The average annual rainfall is 2,496.7 mm (98.30 in) with May as the wettest month.
Drummond Island is the state's second-largest island (after Isle Royale) and is the most populous of Michigan's islands in Lake Huron, with a population of 1,058 at the 2010 census. While Mackinac Island had a population of 492, there are thousands more seasonal workers and tourists during the summer months.
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. The island is uninhabited, but has a lighthouse (Passage Island Light) and a short hiking trail. The U.S. National Park Service conducts tours of the ...