Hai Van Pass cutting across Bach Ma mountain range is between Thua Thien Hue province and Da Nang city. Hai Van Pass is also called Ai Van Pass or Cloud Pass with the length of 20 kilometers and the height of 500 meters compared to the sea level. The road in the pass is extremely flexouse like a snake and narrow. Therefore, it is famous for the most dangerous level in Vietnam. However, when you looking at Hai Van Pass from the above, you will realize that it is so beautiful and imposing. Hai Van Pass is also regarded as “the most mavellous pass in the world”.


History of Hai Van Pass:

Hai Van Pass was constructed in French colonism. Because the built road going through the pas is very narrow with a lot of dangerous animals and the depredatory situation happening in that period. As a result, French colonists built the railway through the pass.

In the period of Republic of Vietnam, there are too many traffic accidents on the road of the pass so the authority set up three traffic control stations in Lăng Co, the top of the pass and Lien Chieu in order to limit the flow of vehicles and reduce the death rate.

Đường đèo Hải Vân

In 1996, American army widened the road so three traffic control stations were no longer necessary. Although Hai Van Pass was wider, it still the obsession for drivers and passengers crossing this road.

In 2000, Vietnam’s Government built the underground road through Hai Van Pass to ensure the traffic safety when crossing the pass.

In 2005, the underground road was introduced to use so it has facilitated for making North-South transportation safe.

Hầm đèo Hải Vân

On these days, in spite of building the underground road through Hai Van Pass, many domestic and international tourists feel interested and curious about walking or driving on this road for sightseeing and exploring. The danger and the beautiful landscape sightseeing from the above down to Da Nang city, Tien Sa Harbor – Son Tra peninsula with the yellow sand will spur the exploration appetite of tourists.

Đèo Hải Vân - Đà Nẵng

Exploration of Hai Van Pass:

Hai Van Pass is the pretty well-known tourist attraction in Da Nang as well as the dangerous destination because of the tortuous road. However, currently, almost vehicles are going through the underground road so the road on the pass is quite deserted with few people, mainly the tourists. Therefore, the conquering of Hai Van Pass is no longer as dangerous as it used to be.

When coming to Hai Van Pass, tourists should visit Ai Van frontier passage built in Tran dynasty and restored in Nguyen dynasty. It seems to be the border of Quang Nam and Thua Thien Hue. At present, there is just ruins left with several French blockhouses set up to protect the pass in their military strategy. After French withdrawal, these blockhouses were taken over by American army. In the history, Hai Van Pass witnessed so many important battles in the war resistance against French colonists and American empire.


After discovering Hai Van frontier passage, tourists will go through the pass and Lang Co Bay in the foot of the pass is also the attractive destination. It is considered as one of the most beautiful bays in Vietnam. The bay has picturesque landscape with the mountain ranges stretching out to the sea and the white sand. With arriving here comes enjoying the marvellous scenes and specialties or relaxing the resorts in Lang Co Bay for the interesting trip.

If you want to take a tour to Da Nang, do not forget to visit the landscape of Hai Van Pass.

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