The largest volcano in the Solar System and the largest mountain in the Solar System are one in the same: Olympus Mons on Mars. Olympus Mons is a shield volcano that towers to an amazing 26 km. That makes it 3 times the height of Mt. Everest. Unlike Everest, Olympus Mons has a very gentle … Continue reading "Olympus Mons: The Largest Volcano in the Solar System"