Portsmouth elevation

Portsmouth (New Hampshire, Rockingham County), United States elevation is 1 meters and Portsmouth elevation in feet is 3 ft above sea level ^{[src 1]}. Portsmouth is a populated place (feature code) with elevation that is 278 meters (912 ft) smaller than average city elevation in United States.

Below is the Elevation map of Portsmouth, which displays elevation range with different colors. Scale of the first map is from -10 to 39 m (-33 to 128 ft) with average elevation of 13.3 meters (=44 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 Portsmouth elevation map:^{[src 2-3]}

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

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