Area: 9,562.9 sq. km.
Population: 319.9 thousand habitants (2006)
Districts: Phong Tho, Tam Duong, Muong Te, Sin Ho, Than Uyen.
Ethnic groups: Thai, H'Mong, Viet (Kinh), Giay, Dao.
Time: From the 30th day of the twelfth lunar month to the 5th day of the first lunar month.
Place: Lai Chau.
Characteristics: The spring festival days of the Laos in Lai Chau. People pray the gods of rivers and mountains, the ancestors' support for earning one's living easily. Sorcerer makes offerings, food tray of offerings is processed from the village to the forest. From the 1st day to the 5th day of Tet, people play traditional games and dance at the village, Con balls throwing, drink can wine.