Thac Ba Lake is one of three Vietnam's largest artificial lakes and famous for the first hydro power plant. Thac Ba Lake is also well-known for its eco-system site. Thac Ba Lake was built in 1970 by the construction of a dam on the Chay River. Thac Ba reservoir covers a total area of 23.400 ha, of which 19.05 ha is water area and the remaining 4.35ha of islets on the Reservoir. This artificial lake has 1,331 islands and hills with various ecological environments. The water in the lake is imprinted with the reflections of the surrounding ancient forest creating a blue and clear background of the water.
Tourists can visit Thuy Tien cave, Xuan Long cave, Cao Bien and Chang Re mountain, Trinh Nam island ... Coming to Thac Ba, tourists can also discover the natural beauty of original forest and thousands of islands, rocky mountains. Thac Ba Lake is not only a beautiful landscape, but it is also a national vestige. In 1285, the Thu Vat Battle took place under the command of Tran Nhat Duat against Mongolian invaders. During the resistance war agaist the American, Thuy Tien cave is the revolutionary base of Yen Bai provincial committee. Thac Ba is recognised a place of historical and cultural interest by the government. There are major plans to develop eco-tourism resorts in the surrounding area. For a long time Thac Ba Lake has become Yen Bai people's pride.
There are 12 ethnic minority groups such as Dao, Tay, Nung, Cao Lan, Phu La surrounding Thac Ba reservoir. These ethnic minority groups feature their own special and colourful traditional festivals. Let’s go on a cruise on our traditional boats, stop by an island and discover the particularities of this area: the way villagers paddle their boats, the exotic and odd animals living around,the quiet and peaceful beauty of this huge lake, the lifestyle of the Dao among the thousands of islets. {itpsharepoint}
