Na Khoang waterfall locates in the foot of Gio Pass (Wind pass) which is next to the national highway no 3, and it is about 6km from the centre of Na Phac town, Ngan Son district of Bac Kan province. The waterfall area is about 12ha, which is the composition of the two large springs: Na Deng spring, which flows through the edge of Lung Chang mountain, and the small spring which starts from the top of the mount Phia Slieng flows from the South West fofr 88m before meeting Na Deng. Its slope has made a four layers waterfall in the length of 600m and width of 15m averagely. After all, it flows to Ban Mach waterfall.
| Na Khoang waterfall
In the upper part of the waterfall, there is a small lake, which is the ideal location of swimming for those who like to avoid the crowdedness and wallowing in the nature. The surrounding areas are mainly regenerative jungle, which the covering area is from 75 to 85%. In terms of animal, there are many types of bird, reptile, fish and squirrel, etc. People live in there are all from Mong, Dao ethnic groups who are keeping the cultural traditional characters such as the costumes, religion, folk songs, and dancing styles which creates more plentifulness for cultural environment in this place.
With the nice landscape, pure and cool weather and has the value in the geologist and ecologist systems, Na Khoang waterfall has been acknowledged as the provincial landscape. Nowadays, there is a company, which invests in this area named Bac Hai Ha JSC. Ltd. There are many items have been implemented and it is hoped to be the ideal destination for the entertaining and leisure demand.