Bac Ha is a fair that happens in Sunday every week at Bac Ha district. Bac Ha market located in Bac Ha town, away Lao Cai city about 76km.

Bac Ha is where exchange goods from other province around Lao Cai province, this place not only exchange goods but also exchange culture between the ethnic local people living around the town. From very early morning, the local people bring to the fair their goods, horse or buffalo that they will sell in the market.