Mad Vallis

Mad Vallis, as seen byHiRISE. Picture on right is an enlargement of part of the other picture.
Coordinates	56°30′S283°54′W / 56.5°S 283.9°W /-56.5; -283.9

Mad Vallis is avallis (valley) in theHellas quadrangle of Mars, with its location centered at 56.5° S and 283.9° W. It is 524 km long and was named after theMad River inVermont, USA.^[1]

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