Extending 159 km by 87 km, this image show a region with an area about a third the size of Denmark. It is the eastern part of Arabia Terra, part of the highlands of Mars, stretching east to west across 4500 km. The High Resolution Stereo Camera (HRSC) on ESA’s Mars Express took this image. It was obtained during orbit 7457 on 26 October 2009 and has a resolution of about 18 m per pixel. The image was derived from the HRSC nadir channel, which provides the highest detail of all the channels.