Pavonis Mons (Enhanced and Saturated Natural Colors; credits for the additional process. and color.: Dr Paolo C. Fienga - Lunexit Team)

Caption NASA originale:"This Mars Global Surveyor (MGS) Mars Orbiter Camera (MOC) wide angle color composite image, obtained in December 2003, shows the middle of the three Tharsis Montes, Pavonis Mons.
This is a broad shield volcano - similar to the volcanoes of Hawaii - located on the Martian Equator at approx. 113° West. The Volcano Summit is near 14 Km (~8,7 mi) above the Martian Datum (such as 0 elevation); the central caldera (crater near center of image) is about 45 Km (~28 mi.) across and about 4,5 Km (~2.8 mi.) deep. Sunlight illuminates the scene from the lower left".