Her Desher Vallis is an ancient river valley in the

Coprates quadrangle The Coprates quadrangle is one of a series of 30 quadrangle maps of Mars used by the United States Geological Survey (USGS) Astrogeology Research Program. The Coprates quadrangle is also referred to as MC-18 (Mars Chart-18). The Coprates quadra ...

Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury (planet), Mercury. In the English language, Mars is named for the Mars (mythology), Roman god of war. Mars is a terr ...

, located at 25.4° S and 48.0° W. It is 107.0 km across and was named for the Egyptian name for Mars.

Images

File:Dune Ripples in Her Desher Vallis.jpg, Dune Ripples in Her Desher Vallis, as seen by HiRISE. File:Thaumasiamapcraters.jpg, Map showing location of Her Desher Vallis and other features in the region

References

Valleys and canyons on Mars Coprates quadrangle {{Mars-stub