Cao Bang is 272 km north of Hanoi, a province in the Northeast of Vietnam, bordered with China. There are nine ethnic minorities living in Cao Bang, including the Tay, Nung, Dao, and H'mong.Famous sites include Thang Then Lake in Tra Linh, Ban Gioc Fall in Trung Khanh, and Ba Be Lake in Ba Be. Several sites where Uncle Ho lived and worked before the August 1945 Revolution
include Pac Bo, Coc Bo Cave, Lenin Stream, and Khuoi Nam Stream.
Ban Gioc Fall is situated in Trung Khanh district in Cao Bang province nears the Sino-Vietnamese border. The echo of the falls can be heard kilometers away from Trung Khanh. Water from Quy Xuan River falling down on the stone creates water droplets columns that can be seen from a distance.
The temperature near the waterfall is remarkably cool, due to the water mist in the air. At the foot of the waterfall is a large river, as calm as glass, surrounded by many precious kinds of flowers. Ban Gioc Fall is famous for a famous fish named tram huong. In the early 1920s, French people started building cottages on the river banks. They would come here to relax, fish for tram huong, and hunt deer.