olympus 88Olympus Mons is a large shield volcano on Mars. It is over 21.9 km (13.6 mi; 72,000 ft) hh as measured by the Mars Orbiter Laser Altimeter (MOLA)Participate in the Olympus Hh School Class of '88 Alumni Map Mashup. See where other alumni are currently living and where they've been. Create your own markers