Arnus Vallis

Arnus Vallis
Arnus Vallis Layers, as seen by HiRISE. Scale bar is 500 meters long.
Coordinates14°06′N 289°30′W / 14.1°N 289.5°W / 14.1; -289.5

Arnus Vallis is an ancient river valley in the Syrtis Major quadrangle of Mars, located at 14.1° north latitude and 289.5° west longitude. It is 280 km long and was named after the classical and present day Arno River in Tuscany, Italy (previously named Arena Rupes).[1]

  • Arnus Vallis layers, as seen by HiRISE.
    Arnus Vallis layers, as seen by HiRISE.
  1. ^ "Planetary Names: Welcome". Planetarynames.wr.usgs.gov. Retrieved 2022-03-20.