Illinois topographic map
Interactive map
Click on the map to display elevation.
About this map
Name: Illinois topographic map, elevation, terrain.
Location: Illinois, United States (36.97013 -91.51305 42.50837 -87.01992)
Average elevation: 213 m
Minimum elevation: 91 m
Maximum elevation: 528 m
Though Illinois lies entirely in the Interior Plains, it does have some minor variation in its elevation. In extreme northwestern Illinois, the Driftless Area, a region of unglaciated and therefore higher and more rugged topography, occupies a small part of the state. Southern Illinois includes the hilly areas around the Shawnee National Forest.
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