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Lake Superior's deepest point [4] on the bathymetric map. [1] Lake Superior has a surface area of 31,700 square miles (82,103 km 2), [7] which is approximately the size of South Carolina or Austria. It has a maximum length of 350 statute miles (560 km; 300 nmi) and maximum breadth of 160 statute miles (257 km; 139 nmi). [8]
The deepest point taken from the GLERL website is marked with "×". It's position differs slightly from the position of the area below -400 m in this bathymetric map based on data cited below. According to NGDC information, Lake Superior data are incomplete. The map was created using the Generic Mapping Tools, GMT, version 5.1.1.
Located in Lake Superior, Isle Royale is the second largest island in the Great Lakes system, after only Manitoulin Island in Lake Huron. 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 ...
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.
The locations of National Register properties for which the latitude and longitude coordinates are included below, may be seen in an online map. [1] This list includes shipwrecks that are located in the waters of Lake Superior, Lake Huron, Lake Michigan, Lake Erie and Lake Ontario. This National Park Service list is complete through NPS recent ...
Map including the Huron Islands showing Huron National Wildlife Refuge and the lighthouse (AMS, 1957)The Huron Islands are a group of eight small, rocky islands in Lake Superior, located about three miles (4.8 km) off the mouth of the Huron River in northwestern Marquette County, Michigan, United States.
The Apostle Islands are a group of 22 islands in Lake Superior, off the Bayfield Peninsula in northern Wisconsin. [1] The majority of the islands are located in Ashland County—only Sand, York, Eagle, and Raspberry Islands are located in Bayfield County. All the islands except for Madeline Island are part of the Apostle Islands National Lakeshore.
The Apostle Islands National Lakeshore is located in Bayfield, Wisconsin, on Lake Superior, the "largest, cleanest, and coldest of the Great Lakes." [3] The lakeshore comprises beaches, cliffs, water, and 21 islands. [4] Of its area, 42,308 acres is land and 27,232 acres is water, extending 1/4 mile from the 155 miles of shoreline. [5]