Amazonis Planitia
Amazonis Planitia (, Latin Amāzŏnis) is one of the smoothest plains on Mars. It is located between the Tharsis and Elysium volcanic provinces, to the west of Olympus Mons, in the Amazonis and Memnonia quadrangles, centered at 24.8°N 196.0°E / 24.8; 196.0.