Verde Vallis (Mars)

Named after the River in Arizona, USA.

Verde Vallis is an ancient river valley in the Sinus Sabaeus quadrangle on Mars. It is found in the Sinus Sabaeus quadrangle at 0.5° south latitude and 330.2° west longitude. (wikipedia entry)

A vallis is a valley. On Mars large valles are named after words for Mars/star in various languages. Small valles are named after classical or modern names of rivers.