This VIS image shows one of the mega-gullies that empties into Echus Chasma. Echus Chasma is approximately 4km deep in this region, and is the source of Kasei Valles. Orbit Number: 71207 Latitude: -1.24174 Longitude: 278.861 Instrument: VIS Captured: 2018-01-02 07:50 https://photojournal.jpl.nasa.gov/catalog/PIA22375