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Illinois Topographical Map


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On a topographical map, sometimes called a topo map, contour lines are often used to join points of equal elevation above sea level and color gradations may depict elevation ranges between the contour lines.  Topographical maps are often used to determine areas and routes where the terrain is fairly level or where steep slopes exist.  This page includes both static and interactive topographical maps of Illinois.

Static Illinois Topo Map

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

Illinois topo map

 

Map Legend

elevation legend
boundaries, rivers, and lakes 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.

Interactive Illinois Topo Map

This section features a topographical map that can be zoomed and panned to show the entire state of Illinois or a small portion of the state.  To zoom in or out on the map, use the plus (+) button or the minus (-) button, respectively.  To pan the map in any direction, simply swipe it or drag it in that direction.

At high zoom levels, the contour lines on this Illinois map can help outdoorsmen, land developers, and others to plan their routes and activities more efficiently.  Click or touch one of the following options to display an interactive topographical map in framed or full-screen mode.

Framed Topo MapFull-Screen Topo Map

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Illinois Topo Map