On the thousand mile road North - South, located between the Thua Thien Hue provinces and Da Nang city has a high Pass, which is the Hai Van Pass. Hai Van Pass was named the "Thiên Hạ Äệ Nhất Hùng Quan" by King Le Thanh Tong conferred when he was stationed here in Canh Thin, 1470. Hai Van Pass or name Ai Van Pass or Cloud Pass (because on the top of Pass always covered by clouds), high 500 m (relative to sea level), 20 km long, cross the White Horse Mountains, is the natural border between Thua Thien-Hue province (North) and Da Nang (in the South), Vietnam. In 1826, the Nguyen Dynasty, Minh Mang King (1791-1840) a gate was built on top of Hai Van Pass then where to place against robbers, this gate is called the Hai Van Quan was engraved sign board large on marble. Also, where the peak of Hai Van is still a few bunkers made of brick and reinforced concrete (remnants of the Äồn Nhất) built by French troops in 1826 to protect this strategic Pass. In the past, Hai Van Pass is the unique route linking the South and North, all the vehicles to go from Hue to Da Nang, or vice versa, have to go through this pass craggy. Since 2005, after the Hai Van tunnel (the longest road tunnel in Southeast Asia) was formally put into use, Hai Van Pass become where less passersby. Currently, this wilderness pass become a tourist attractions ideal for those who enjoy adventure, adventure and travel discovery. On clear days, standing on top of Hai Van Pass, visitors can see quite clearly Lang Co beach dreaming, see a section of Danang city, Tien Sa-Son Tra Peninsula Port, Cham Islands.. and the golden sands stretching to embrace the face blue water of the Eastern Sea.
