Valles Marineris stretches over 4,000 km (2,500 mi) across Mars, mostly east-west just below the equator, as seen in this Viking 1 orbiter image mosaic.

Mar 23, 2008 · The largest canyon in the Solar System cuts a wide swath across the face of Mars. Named Valles Marineris, the grand valley extends over 3,000 kilometers long, spans as much as 600 kilometers across, and delves as much as 8 kilometers deep. By comparison, the Earth's Grand Canyon in Arizona, USA is 800 kilometers long and 30 kilometers across.

Oct 22, 2018 · The Valles Marineris is a system of canyons located just south of the Martian equator. The system is about 4000 km long, and, if on earth, would extend all the way across the United States. The central individual troughs, generally 50 to 100 km wide, merge into a depression as much as 600 km wide.

Dec 9, 2017 · Covering nearly a fifth the circumference of Mars, the canyon system Valles Marineris reigns as the largest canyon system on the Red Planet.

May 21, 2024 · The deepest known gorge in the solar system is Valles Marineris on Mars. It is known to be the deepest gorge on any rocky planet in the solar system, as we have already mapped all four of them in detail (Mercury, Venus, Earth, …

Aug 26, 2013 · The huge canyon on Mars’ surface — Valles Marineris — formed as the martian lithosphere spread apart early in the Red Planet’s history.

Feb 16, 2025 · Mars, our neighboring red planet, possesses some of the most extreme topographical features within our solar system. Its colossal volcanoes, canyons and impact craters offer clues into its...

Jul 26, 2019 · Caves may become important to the future of Mars exploration because they provide shelter from the entire range of harsh surface conditions while maintaining near-pristine interior surfaces and relatively stable microclimates.

Apr 1, 2012 · This mosaic image of Valles Marineris - colored to resemble the martian surface - comes from the Thermal Emission Imaging System (THEMIS), a visible-light and infrared-sensing camera on NASA's Mars Odyssey orbiter.

Jan 6, 2021 · Known as Valles Marineris, this system of deep canyons runs more than 2,500 miles along the Martian equator, spanning nearly a quarter of the planet's circumference. This gash in the bedrock of...