The Best What Is The Largest Volcano In The Solar System References. Web as wide as the state of arizona, olympus mons on mars has long held the title of biggest volcano in the solar system. Web ojos del salado is the highest.
Web olympus mons is the largest volcano in the solar system, reaching heights of over 40 km (25 miles) tall from base to summit, with the base covering an area as large as the state of arizona. The boiler is 80 km (50 miles) wide and is located on the summit of mount olympus. Most of the knowledge of volcanic activity outside earth comes from recent space research using modern telescopes and space craft.
