Portsmouth elevation

Portsmouth (Rhode Island, Newport County), United States elevation is 21 meters and Portsmouth elevation in feet is 69 ft above sea level ^{[src 1]}. Portsmouth is a populated place (feature code) with elevation that is 258 meters (846 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 -20 to 72 m (-66 to 236 ft) with average elevation of -3.2 meters (=-10 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]}