This is a pan-like valley situated near Vietnam & Laos border. It was the most important base of the French in the Franco-Vietminh war, witnesses one of the most glorious victories of the Vietnamese Peoples Army in the 20th century. This is also a dwelling place of many ethnic groups.

The Memorial to the French troops, the Dien Bien Phu Museum, Hill A1, Him Lam Base.
Base of the French Commander, General de Castries.
Muong Phan, base of the Vietnamese Commander, General Vo Nguyen Giap.