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Illinois Topographical Map

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This page features a topographical map of Illinois and a map legend that specifies elevation ranges and indicates their corresponding map colors. 

Illinois topo map


Map Legend


Illinois Topographical Features

Illinois's highest elevation is Charles Mound, which rises to 1,235 feet above sea level.  Illinois's lowest elevation is 279 feet above sea level, at the Mississippi River.  Illinois is a prairie state with gentle sloping hills and shallow river valleys.  Major rivers in Illinois include the Mississippi, Ohio, and Wabash.

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Illinois Topo Map