Euphrates Euphrates The Euphrates (; Sumerian: "Buranuna"; "Purattu"; "al-Furāt"; "Pǝrāt"; : "Yeprat"; "Perat"; ; ) is the longest and one of the most historically important rivers of Western Asia. Together with the Tigris, it is one of the two defining rivers of Mesopotamia (the "Land between the Rivers"). Originating in eastern Turkey, the Euphrates flows through Syria and Iraq to join the Tigris in the Shatt al-Arab, which empties into the Persian Gulf. The Ancient Greek form "Euphrátēs" (, as if from Greek εὖ "good" and ϕράζω "I announce or declare") was adapted from Old Persian 𐎢𐎳𐎼𐎠𐎬𐎢 "Ufrātu", itself from Elamite
Nossob River flow about once a century. However, water does flow underground to provide life for grass and camelthorn trees growing in the river bed. The Nossob may flow briefly after large thunderstorms, causing wildlife to flock to the river. The Nossob ends at a confluence with the Molopo River some 50 km south of Twee Rivieren. The confluence at is still 890m above sea level. The Molopo is in turn a tributary of the Orange River, which it meets downstream of Augrabies Falls. Important dams in the basin, both on the Oanob River, a tributary of the Auob: Nossob River The