Gadūk Pass

…the Chalus rivers, and the Gaduk Pass, between the Hableh and the Tala rivers. The main divide runs generally south of the highest crest, which—with the exception of the towering and isolated cone of the extinct volcano Mount Damavand (18,386 feet [5,604 meters])—culminates in the glaciated massif of Takht-e Soleyman,…