Stura Vallis

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Stura Vallis
Stura Vallis, as seen by HiRISE. Scale bar is 500 meters long.

Stura Vallis is an ancient river valley in the Elysium quadrangle of Mars, located at 22.9° north latitude and 217.6° west longitude. It is 75 km long and was named after a classical river east of Rome, Italy.[1]