Dien Bien Province is on the North - West Vietnam. It is next to Lai Chau, Son La provinces, Laos and China. The province has many mountains stretching along north-west and south-east direction. Muong Thanh Valley is largest one of this region. The topography includes forests, high mountains, narrow valleys, small plains, and springs.
Dien Bien is mountainous tropical area. There are the dry and the rainy seasons. The average temperature is about 21ºC - 23ºC.