Cao Bang province is well know as the former base of Vietnam revolution during the war time but also famous as the place where located the nicest waterfall in Vietnam named Ban Gioc.

Pac Bo is located in Truong Ha Commune, Ha Quang District, Cao Bang province. Lying along the Vietnam-China border, about 40 km far from Cao Bang town. In the local dialect, Pac Bo means “starting point of a river”, this place, indeed, was the “starting point” of the Vietnamese revolution.