This VIS image shows a portion of Niger Vallis. The channel is 333 km (207 miles) long. Arising from the volcano Hadriacus Mons, Niger Vallis merges with Dao Vallis and flows southwestward into Hellas Planitia. The channel is named for the Niger Rivier in Africa. Orbit Number: 83734 Latitude: -36.231 Longitude: 90.9557 Instrument: VIS Captured: 2020-10-29 22:33 https://photojournal.jpl.nasa.gov/catalog/PIA24279