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Miners' Castle after one turret collapsed in April 2006 [1] Pictured Rocks in the distance. Pictured Rocks National Lakeshore is a U.S. National Lakeshore in the Upper Peninsula of Michigan, United States. It extends for 42 mi (68 km) along the shore of Lake Superior and covers 73,236 acres (114 sq mi; 296 km 2).
Most of Lake Superior lies within the basin of the Midcontinent Rift. The rocks of Lake Superior's northern shore date back to the early history of the earth. During the Precambrian (between 4.5 billion and 540 million years ago) magma forcing its way to the surface created the intrusive granites of the Canadian Shield. [36]
The most common way to see the light is to take either of the cruises out of Munising (Shipwreck Tour [14] or Pictured Rocks tour), or Grand Island Cruises, all of which pass by this light and pause for photographers. [3] Alternatively, sea kayak tours of Grand Island are a good way to see this light.
Pictured Rocks: Michigan: October 15, 1966: 73,235.83 acres (296.4 km 2) The Pictured Rocks are colorful sandstone cliffs jutting in Lake Superior from the Upper Peninsula. Sea caves around them become climbable ice caves in the winter and waterfalls also freeze into curtained formations.
Grand Island's geology is an extension of the sandstone strata of the adjacent Pictured Rocks National Lakeshore. Island sandstone cliffs as tall as 300 feet (91 m) in height plunge down into the lake. A 23-mile (37 km) perimeter trail skirts much of the island's shoreline.
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The Pictured Rocks, although an exceptionally scenic section of Lake Superior shoreline, offers very little shelter to storm-beset boat traffic of all kinds; over the years, some of these boats and Lake freighters have wrecked.
The following is a list of protected areas and preserves within the Great Lakes area.. Alger Underwater Preserve; Apostle Islands National Lakeshore; Calumet Shoreline