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: 91021 Latitude: 0.839415 Longitude: 278.09 Instrument: VIS Captured: 2022-06-21 23:25 https://photojournal.jpl.nasa.gov/catalog/PIA25539