Where on Mars is Mamers Valles?

This image marks the location of Mamers Valles, a huge valley system in Mars’s northern hemisphere.

A large dashed square highlights the area of Mars featured in new images from the High Resolution Stereo Camera (HRSC) aboard ESA’s Mars Express, released in June 2026. The two smaller boxes within mark the precise patch of surface shown in the images, captured by Mars Express on 7 December 2024 (orbit 26423). The elevation of the surface, shown by the bright colours marking the surface of Mars, is indicated by the scale to the bottom-right.

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[Image description: A full globe of Mars shown against a black background, coloured in blues, greens, yellows, and reds to show surface variation. Thin white outlines and boxes mark specific locations on the surface, giving the image a mapped, diagram-like appearance.]