Olympus Mons

largest known volcano, or mountain, known on Mars

Olympus Mons is a shield volcano on Mars. It is the tallest volcano, and mountain, in the solar system.

Olympus Mons


Olympus Mons is 27 km (17 mi) high.[1] This is three times taller than the highest mountain on Earth, Mount Everest.


  1. "What are the highest and lowest points on the surface of Mars". NASA. Archived from the original on 2016-01-31. Retrieved 2009-05-17.