The pass has high mountains one side, and cliff and sea the other side (Photo: VNA)
Hai Van Pass has become one of the most challenging roads for drivers. (Source: VNA)
A turtle-shaped mountain viewed from the Hai Van Pass (Photo: VNA)
The Hai Van Quan (Hai Van Gate), built by the Nguyen Dynasty in 1826 to protect the Hue Citadel and safeguard Da Nang beaches, has become a favourite tourism destination. (Photo: VNA)
A tourist is taking photo of Da Nang city from the watch-tower on the peak of Hai Van Pass (Source: VNA)
Hai Van Pass most challenging road
The Hai Van Pass lies between Thua Thien-Hue province and Da Nang city in central Vietnam. It is around 20 kilometres in length and around 496 metres above sea level.