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.