Olympus Rupes is a group of cliffs along the northern face of Olympus Mons, the largest mountain on

Mars Mars is the fourth planet from the Sun and the second-smallest planet in the Solar System, only being larger than Mercury. In the English language, Mars is named for the Roman god of war. Mars is a terrestrial planet with a thin at ...

and the largest volcano in the

Solar System The Solar System Capitalization of the name varies. The International Astronomical Union, the authoritative body regarding astronomical nomenclature, specifies capitalizing the names of all individual astronomical objects but uses mixed "Solar ...

. It also forms the northern border of the mountain.

References

Cliffs on Mars Amazonis quadrangle Tharsis quadrangle {{Mars-stub