SonLa belongs to North-West Vietnam, shares border with YenBai, LaoCai, LaiChau provinces on the north, DienBien Province on the west, PhuTho and HoaBinh provinces on the east and Laos on the south.
The province has many mountains, rives and mineral sources. Abundant water supply is suitable to hydroelectricity. MocChau Plateau is an ideal place to breed milk cow, plant tea and fruit. Annual average temperature is about 21oC. The weather is cold, dry in winter and hot in summer.
SonLa owns following interesting sites. SonLa Former Prison and Museum preserves revolutionary remains and exhibits precious objects introducing the historical and cultural traditions of the 12 ethnic groups living in Son La. Stretching out 150m long, ThamTetToong Cave is a wonder of nature. Along the walls of the cave, there are numerous stalactites and stalagmites. Ban Hin (Hin ethnic minority hamlet) is marked by the traditions and culture of the Thai. There, tourists enjoy drinking ruou can and watching xoe dance by Thai women. Then visitor like to go to YenChau Site to try special bananas, longans and mangoes.
In 2nd lunar month, when ban flowers begins to blossom, coloring the mountains in white, Thai ethnic group held HoaBan Festival. Boys and girls go flower picking to celebrate the spring and entertain themselves by singing, playing tinh and khen flute, dancing xoe.
SonLa connects HoaBinh by National Highway No. 6, YenBai by Highway No.37, LaoCai by Higway No.279. SonLa is 328km from Hanoi. In NaSan Airport, Vietnam Airlines has daily flight from Hanoi to SonLa.