Patapsco Vallis

{{Short description|Vallis on Mars}}

{{Infobox feature on celestial object

|name = Patapsco Vallis

|image = 200px

|caption = Patapsco Vallis, as seen by HiRISE. Scale bar is 1000 meters long.

|coordinates = {{coord|24|N|207|W|globe:mars_type:landmark|display=inline,title}}

}}

Patapsco Vallis is a valley in the Elysium quadrangle of Mars, located at 24° N and 207° West. It is 153 km long and was named after a modern river in Maryland, United States.

{{cite web |url=http://planetarynames.wr.usgs.gov/ |title=Home |website=planetarynames.wr.usgs.gov}}