Gale Crater is Low on Mars
Jet Propulsion Laboratory https://www.jpl.nasa.gov/ Aug. 2, 2012
Gale Crater on Mars, where NASA's Curiosity rover is set to land, belongs to a family of large, very old craters shown here on this elevation map. It has one of the lowest elevations among this family.
The data come from the Mars Orbiter Laser Altimeter instrument on NASA's Mars Global Surveyor.