Tributary of Euphrates in Turkey
This article is about the major tributary of the Euphrates. For rivers with similar names, see
Karasu (disambiguation).
The Karasu (Turkish for 'black water') or Western Euphrates is a long river in eastern Turkey, one of the two sources of the Euphrates. It has a length of about 450 km. To the ancient Greeks the river was known as the Telebóas (Τηλεβόας).
