The western portion of the volcano lies in the Amazonis quadrangle and the central and eastern portions in the Tharsis quadrangle. ► The mountain’s peak has six collapsed craters (calderas) and a cliff on a side (towering 8 km or 5 miles high), which is a unique feature among the Martian volcanoes. It was known to the ancient Greeks as Ares, their god of war. just create an account. Additionally, Mars has the tallest volcano of the solar system called Olympus Mons. It was named after the Roman god of war, and it has been captivating astronomers for thousands of years. Therefore, the lava was likely able to flow outwards from a hotspot in the same place for quite a long time with no crust shifts to impede it. Rheasilvia, which is located on the giant asteroid 4 Vesta, is the only known mountain that is taller than Olympus Mons. Olympus Mons was a large volcanic mountain located on Mars.. Is Olympus Mons the largest volcano in the solar system? All other trademarks and copyrights are the property of their respective owners. It's known as Olympus Mons, and through the facts presented further, we reveal the true nature of this monstrous shield volcano towering over the red planet's surface. One of the reasons for the large spread of all volcanic mountains on the Martian surface is the low planetary gravity, coupled with a high rate and force of eruptions. Image credit - NASA