Nam Thoong - Hoa An - Cao Bang Nam Thoong Stream is one of the famous destinations of Hoa An district, Cao Bang province. Nam Thoong Stream is located in Duc Long commune, about 15km west of the district center. Nam Thoong Stream is known for its beautiful, fresh and romantic natural scenery. Here, visitors can cool off, relax and admire the scenery, or can also challenge themselves with activities such as swimming or climbing. In addition, Suoi Nam Thoong is also a place to visit and learn about the life and culture of local people.