Puong Cave (Động Puông) - a large cave with 30m high, 300m long, is an interesting place in Ba Be National Park that tourists in Vietnam travel should visit.

Puong Cave located on the Nang River, 5km from the town of Ba Be District, Bac Kan province, was created by the rivers current as it flowed next to the base of the Lung Nham Mountain, which is a chain of Limestone Mountains.

Looking into the cave, you will see that it is inhabited by a population of thousand of bats belonging to 18 species. After exploring the cave, you will note that Nang River flows at the foot of the limestone mountain, goes through Puong Cave to reach Ba Be Lake and consists of a series of spectacular cascades between perpendicular walls of rock.