Changyŏn elevation

Changyŏn (Hwanghae-namdo), North Korea elevation is 21 meters and Changyŏn elevation in feet is 69 ft above sea level ^{[src 1]}. Changyŏn is a populated place (feature code) with elevation that is 110 meters (361 ft) smaller than average city elevation in North Korea.

Below is the Elevation map of Changyŏn, which displays elevation range with different colors. Scale of the first map is from 4 to 138 m (13 to 453 ft) with average elevation of 37.9 meters (=124 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 Changyŏn elevation map:^{[src 2-3]}

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

Changyŏn Topographic map:^{[src 2-3]}