Area: 4868.4 sq. km.
Population: 294.7 thousand habitants (April 2009).
Capital: Bac Kan Town.
Districts: Ba Be, Ngan Son, Cho Don, Na Ri, Cho Moi, Bach Thong, Pac Nam.
Located among striking limestone landscapes, Ba Be is the largest natural lake in Vietnam is currently the center section of an extensive National Park. Since the park and the surrounding area is limestone region, lakes, waterfalls, caves and unusual rock formation abound. Surrounded by evergreen forests, the area is home of many ethic minority communities.
Located on River Energy, a district of Ba 5 km (3 miles), Puond Cave is a large house of various species of bat, where the river flows through a limestone mountain ranges form. Active length is about 200 m (600 ft), the average height of 25 to 30 m (60 ft) with many shapes, imposing stone columns. In the cave there are tens of thousands of children bats now live and reside. Dong Puong is well-know as a tourist destination of a unique and charming nature.