Alton elevation

Alton (Illinois, Madison County), United States elevation is 152 meters and Alton elevation in feet is 499 ft above sea level ^{[src 1]}. Alton is a populated place (feature code) with elevation that is 127 meters (417 ft) smaller than average city elevation in United States.

Below is the Elevation map of Alton, which displays elevation range with different colors. Scale of the first map is from 85 to 203 m (279 to 666 ft) with average elevation of 145.4 meters (=477 ft) ^{[note 1]}
These maps also provides idea of topography and contour of this city, they are displayed at different zoom levels. More info about maps, scale and edge coordinates you can find below images.

#1 Alton elevation map:^{[src 2-3]}

#2 Zoom out 2x:^{[src 2-3]}

Alton Topographic map:^{[src 2-3]}