Colour-coded topographical map of the southeastern flank of the Olympus Mons volcano on Mars. The transitions from the sloping flanks of the volcano (white, red and yellow colours) to the steep cliff faces (green to light blue) and the smooth plains at its base (dark blue) can clearly be seen.
The image was taken by the High Resolution Stereo Camera on ESA’s Mars Express on 21 January 2013 (orbit 11524), with a ground resolution of approximately 17 m per pixel. The image centre is located at approximately 14°N / 229°E.