The river cave and the fall
The boat that goes through Puong and lands at Dau Dang. They are one circuit.
Puong is on the Nang, about 1 km downstream from bến Buốc Lốm. The cave is 300 m long, with a ceiling of 30–40 m. Dau Dang is about 3 km west of the lake. The fall is about 53 m. The slope of the stacked rock is estimated at 500 m. That 500 m is the slope, not a vertical drop.
