This image captured by NASA 2001 Mars Odyssey spacecraft shows Olympus Mons is surrounded by an escarpment, called Olympus Rupes, a steep cliff-face between the volcano and the surrounding lava flows on the northeastern side of Olympus Mons.
This image captured by NASA 2001 Mars Odyssey spacecraft shows Olympus Mons is surrounded by an escarpment, called Olympus Rupes, a steep cliff-face between the volcano and the surrounding lava flows on the northeastern side of Olympus Mons.