Top 2 in top 14 most dangerous pass roads in Vietnam but worth conquering.
O Quy Ho pass or Hoang Lien pass, Hoang Lien Son is considered as a long, challenging bend for phượt people with a length of 50 km and at an altitude of 2,073m above sea level, keeping a record of length in the Northwest mountains. Located on the national highway 4D crossing Hoang Lien Son mountain range, the pass connects Lao Cai and Lai Chau provinces with the top of the pass is the boundary between the two points of the province known as the Heaven Gate because it lies between the clouds on the mountain. peak height of 2,000 m. It is covered all year round with dew, beautiful scenery like a place of cradling. On one side is a deep abyss and the other side is often a steep cliff, O Quy Ho is also a challenge for long-distance drivers and dangerous signs are erected everywhere.