The cliff face in this VIS image is called Rupes Tenius (rupes = scarp). The polar cap is the higher region to the left and the plains are located on the right side of the image. A large elevation change occurs along the scarp.
Orbit Number: 54801 Latitude: 81.1375 Longitude: 246.776 Instrument: VIS Captured: 2014-04-22 03:02
Photo credit: NASA/JPL-Caltech/Arizona State University