While many regions of sand dunes on Mars are located on the floors of impact craters, dune fields can form in any region where sand can be trapped. In this case, the sand dunes have formed in a depression in the Nereidum Montes region north of Argyre Planitia. Orbit Number: 92006 Latitude: -43.7748 Longitude: 307.763 Instrument: VIS Captured: 2022-09-11 01:41 https://photojournal.jpl.nasa.gov/catalog/PIA25718