Explore the terrain of Illinois with this interactive elevation map, powered by AWS Terrain Tiles. Plot a route across Illinois’s landscape to generate a precise elevation profile – every ridge, valley, and summit charted in real time. Switch to Contour Generator mode to visualise any area as contour lines. The city elevation table below samples each location live from 30-metre resolution terrain data.
The table below shows major Illinois cities ranked by elevation, loaded live from AWS terrain tiles. Click any city to open its terrain map.
| City | Region | Elevation (ft) ? | Elevation (m) | Population |
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Explore Illinois City Terrain Maps
Each city page shows satellite imagery, hillshade, and contour layers focused on that city’s terrain.
Illinois Elevation Overview
Illinois is predominantly flat glaciated prairie, with the highest terrain in the northwest corner near Wisconsin. Charles Mound at 1,235 ft is the modest high point. The Mississippi River at 279 ft marks the lowest elevation. The Shawnee Hills in the south provide the most varied terrain in the state.
How to Use the Illinois Elevation Map
Click on the map to place waypoints along any route. Once you have two or more points, the Generate Profile button activates – click it to sample elevations and draw the chart below. Use the Samples slider to control data resolution. To explore contour lines, switch to the Contour Generator tab, drag to draw a bounding box over your area of interest, set your interval and units, and click Generate Contours. Download results in GeoJSON, KML, GPX, or CSV format for use in other mapping tools.
Illinois Elevation Highlights
- Highest point: Charles Mound, 1,235 ft
- Lowest point: Mississippi River at Cairo, 279 ft
- Mean elevation: 600 ft
Explore elevation maps for states bordering Illinois: Iowa Elevation Map, Indiana Elevation Map, Kentucky Elevation Map, Missouri Elevation Map, Wisconsin Elevation Map.
