Salween River much of its length, the Salween's course is nearly parallel to that of the much larger Mekong in the east. Although the commonly accepted name is Salween, the river is known by a handful of other names regionally: "Nu" in China, "Thanlwin" in southern Burma, and "Salawin" on the border of Thailand and Burma. Several major sub-continental drainage basins border on the Salween. The Mekong basin forms nearly the entire eastern boundary of the watershed, while the Irrawaddy River flows southwards on the west side of the basin. The smallest boundary is formed by the Yangtze to the extreme north.
Kok River into Thailand, about upstream from the border. In October 2013 the cast and crew of the British television show "Top Gear" constructed a bridge over the river Kok as part of their Burma Special. The bridge was originally planned to be built over the River Kwai, but the River Fang which flows into the River Kok was chosen "accidentally". The show aired in two parts on 9 March 2014 and 16 March 2014. Kok River The Kok River (, , ) flows in Southeast Asia. The river originates in the Daen Lao Range, Shan State, Burma. It flows eastwards across