Since being filled with water, Tuyen Quang hydropower reservoir has become a charming area with more than 8,000 hectares of water surface, 99 majestic mountains, which is likened to a dry Ha Long in the middle of thousands.

Eco-tours on the lake bed have been formed for a long time, but Na Hang still retains its inherent wildness. If taking a boat to visit Tuyen Quang hydropower reservoir (with a length of about 70km), tourists will have six hours to immerse themselves in the nature of rivers and mountains, learn about each legend associated with each place here.