Paraná Valles

CTX context image for next image that was taken with HiRISE. Note long ridge going across image is probably an old stream. Box indicates area for HiRISE image.
Coordinates	23°06′S10°12′W / 23.1°S 10.2°W /-23.1; -10.2

TheParaná Valles are a set of channels in a valley in theMargaritifer Sinus quadrangle (MC-19) region ofMars, located at approximately 23.1° South and 10.2° West. They are 350 kilometres (220 mi) long and were named after an ancient and modern name for a South American river (Brazil, Argentina).^[1] A low area between the Paraná Valles andLoire Valles is believed to have once held a lake.^[2][3]

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  Example of inverted terrain in the Paraná Valles region, as seen by HiRISE under the HiWish program.
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  The Paraná Valles, as seen byHiRISE (scale bar is 1.0 km)

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