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.
River Yeo (tributary of the Creedy) Road at Whiddon Down. Since January 1997, a flood gauge at Yeoford measures the river height, which is normally below . The site base level is The highest recorded level is on 25 November 2012. South of Crediton the River Yeo forms part of the boundary between Crediton Civil Parish and Crediton Hamlets Civil Parish. Southwest of Yeoford the River Yeo forms the boundary between Colebrook Civil Parish and Crediton Hamlets Civil Parish. Further to the southwest it forms the boundary between Hittisleigh CP and Cheriton Bishop CP. Places along the river include Downs Crediton Golf Club, Fordton Mill, Salmonhutch,