Phlegra Dorsa

Phlegra Dorsa is a region in the Amazonis quadrangle of Mars located at 25.08 N and 170.37 E. It is 2818.61 km across and was named for classical albedo feature.

The classic feature meant "burning plain; it was a place in Chalcidian Peninsula of Greece where Zeus hurled thunderbolts at Titans to support Hercules.

The name Phlegra Dorsa was approved in 2003.

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Possible inverted stream channels in Phlegra Dorsa region, as seen by HiRISE under HiWish program . The ridges were probably once stream valleys that have become full of sediment and cemented. So, they became hardened against erosion which removed surrounding material.