Euphrates Turkey, in Syria and in Iraq. The same figures are given by Isaev and Mikhailova. The length of the Shatt al-Arab, which connects the Euphrates and the Tigris with the Persian Gulf, is given by various sources as . Both the Kara Su and the Murat Su rise northwest from Lake Van at elevations of and amsl, respectively. At the location of the Keban Dam, the two rivers, now combined into the Euphrates, have dropped to an elevation of amsl. From Keban to the Syrian–Turkish border, the river drops another over a distance of less than . Once the Euphrates
Liao River million people. In 1958, the upriver of the Wailiao River at Liujianfang was blocked off via a river engineering project, redirecting the water flow from the Liao River "proper" entirely towards the Shuangtaizi River, effectively separating the Hun River and Taizi River from the main body of Liao River system. Therefore, since 1958, the Hun River and Taizi River were no longer considered tributaries of the Liao River, but an autonomous water system of their own. These following tributaries drain into the Liao River "proper" throughout its course within the Liaoning Province. Liao River The Liao River () is the