Tharsis Montes Tharsis Montes The Tharsis Montes are three large shield volcanoes in the Tharsis region of the planet Mars. From north to south, the volcanoes are Ascraeus Mons, Pavonis Mons and Arsia Mons. Mons (plural "montes") is the Latin word for mountain; it is a descriptor term used in astrogeology for mountainous features in the Solar System. The three Tharsis Montes volcanoes are enormous by terrestrial standards, ranging in diameter from (Pavonis Mons) to (Arsia Mons). Ascraeus Mons is the tallest with a summit elevation of over , or base-to-peak. For comparison, the largest volcano on Earth, Mauna Loa in Hawaii,
Olympus Mountain Running The medical care is provided by rescue services. The fastest runners finishes the race in about four hours. Around 1970, inspired by mountain running in the Alps, the first thoughts of a marathon in Olympus came on. Younger members of the Mountaineering Association E.O.S. Thessaloniki implemented the idea; a running track was selected, the paths were cleaned and marked. The first run took place on July 6, 1986. Around 100 Greek runners participated; although starting numbers have been assigned, there are no statistics on the results of this first Olympus Marathon. The new sport was called "Mountaineer Marathon", not only