Dau Dang waterfall is about 3km to the West of Ba Be lake, it is the contiguous place between Bac Kan Province and Tuyen Quang Province. The waterfall is place that Nang River was broken with many overlapped rocks of several hundred meters high and more than 1km long, water from above thunders down with dazzling white bubbles all year, creating a mighty music among grandiose jungle.