The beauty of Ngao waterfall Dat Ngao Waterfall, also known as Ngao Waterfall, is one of the beautiful and famous landscapes of Quan Chu commune, Dai Tu district, Thai Nguyen province. The waterfall is located close to the foot of Tam Dao mountain range, still retaining its wild and natural beauty. This place has been and is an attractive tourist destination for tourists from inside and outside the province to explore and experience.