Ottawa elevation

Ottawa (Illinois, LaSalle County), United States elevation is 150 meters and Ottawa elevation in feet is 492 ft above sea level ^{[src 1]}. Ottawa is a seat of a second-order administrative division (feature code) with elevation that is 129 meters (423 ft) smaller than average city elevation in United States.

Below is the Elevation map of Ottawa, which displays elevation range with different colors. Scale of the first map is from 112 to 195 m (367 to 640 ft) with average elevation of 167.7 meters (=550 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 Ottawa elevation map:^{[src 2-3]}

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

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