Going alongside National Road 20 to Prenn Pass, just past Datanla Waterfall. Tourists turn left, go about 2 km into the rolling pine forest and then face an immense lake with an impressive long time name of Tuyen Lam. It is formed by Tia Stream and by source of the ?a Tam River, which flows down from Elephant Mountain. In an effort to have a reservoir of water supply for irrigation of the fields in ??c Tr?ng District. In 1982, Irrigation Ministry started heaping barrages and damming up the rivers here. In 1987, the works finished and enlarged the lake surface up to 32 km2 with the greatest depth of 30m. It links numerous mountains and hills, offering a monumentally natural landscape.

Sailing on the lake, tourists have a chance to admire wonders of the mountains and hills, where they can make new discoveries from different views. How excited to call at B?o ??i Waterfall for an opportunity to get acquainted with a secluded family in the closest attachment to the nature. A visit at the picnic areas of Nam Qua and ?� Ti�n or the Tourism Co. one will enable tourists to enjoy roast meat beside a big jug of C?n in beautiful houses. They may also lie at pleasure on glossy grass alluvial plain with wind flowing strongly, fasting the pleasure of life more and more, and feeling comfortable with that long journey.