đèo Ngang, Kỳ Nam, Kỳ Anh District, Ha Tinh, Vietnam
The Ngang Pass is a mountain pass on the border of the provinces of Quảng Bình and Hà Tĩnh, in the North Central Coast of Vietnam. National Route 1A crosses it as it traverses the Hoành Sơn, a side-spur of the larger Annamite Range. The pass is 2,560 m long, ascending to the height of 250 m. Historical French texts refer to the pass as Porte d'Annam.
Location of đèo Ngang