Illinois topographic map
Click on the map to display elevation.
Illinois
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.
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
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