Ma Pi Leng is one of top four highest mountain passes which is famous for its dangerous terrain with twisty stretches and beautiful landscape.

Ma Pi Leng pass on Hanh Phuc road connecting Dong Van with Meo Mac town is around 20km long. The road was built in the 1960s by thousands of voluntary youth from 16 ethnic minority groups in 8 northern provinces.

Bac Sum lies between Vi Xuyen and Quang Ba. Crossing the pass, visitors will come to Dong Van Stone Plateau.

The 32-km-long Pha Din Pass with its highest peak at 1,648 metres above the sea is the gateway to the northwestern mountainous province of Dien Bien. It is located on Highway 6 between Son La and Dien Bien provinces.

O Quy Ho is the 50-kilometer long road that runs around the Hoang Lien Son Range, between the northern provinces of Lao Cai and Lai Chau. Standing more than 2,000 meters above the sea, its top is covered with white clouds almost all year round, hence its poetic name “the Cloudy Mountain Pass.”

The 30 km long Khau Pha pass in Mu Cang Chai District, Yen Bai province is the most rugged and longest pass on National Highway 32.

Ngang Pass spans Hoanh Son Mountain, linking Quang Binh and Ha Tinh provinces in the central region.

The 17km long Da Deo pass is lying on Ho Chi Minh road in Thuong Hoa village, Minh Hoa district, Quang Binh province.

Sa Mu is the most dangerous pass in western Quang Tri province, linking Huong Phung and Huong Lap villages in Huong Hoa district.

Hai Van is an approximately 21 km long mountain pass from Hue to Danang. It crosses over a spur of the Truong Son Range that emerges from the west and juts into the East Sea.

Hon Giao Pass, also known as Khanh Le, Long Lanh or Omega, stretches on 33km from Nha Trang to Da Lat cities. It is one of the most beautiful passes in Vietnam.