O Quy Ho mountain pass area is becoming more attractive to visitors a chance to visit Sapa or Lai Chau. Practicability way to visit Thac Bac, people often try to reach the top of the mountain pass to watch spectacular scenery of the Hoang Lien mountain forests have been honored as “Heritage Park ASEAN Sapa” with many rare species of flora and fauna of the Asian tropical climate.
O Quy Ho mountain pass high 2070 meters above sea level on the national 4D highway linking the Sapa tourist area to Binh Lu (Lai Chau province). This is the road mountain passes auto through highest in Vietnam and also the famous split between the administrative boundary with the province of Lao Cai and Lai Chau province. This is also where former meteorological station on the Hoang Lien mountains were remote writer Nguyen Thanh Long taken as the prototype of the short story “Silent in Sa Pa” popularity.
O Quy Ho mountain pass is also where the ice appears and tropical precipitation for each winter. So, this places many tourists come to visit and take souvenir photos.