The Atrek ( Persian : اترک , Kurdish : Etrek , Turkmen : Etrek ), also known as the Attrack , Atrak , and Etrek , is a fast-moving river which begins in the mountains of north-eastern Iran ( 37°10′N 59°00′E / 37.167°N 59.000°E / 37.167; 59.000 ) and flows 563 kilometres (350 mi) westward, draining into the south-eastern corner of the Caspian Sea in Turkmenistan . Because of the high use of its waters for irrigation, the Atrek only flows into the Caspian when it is in its flood stage.
5-553: The Atrek is 669 kilometres (416 mi) long and drains a basin of 27,300 square kilometres (10,500 sq mi). Beginning at 37°59′28″N 55°16′29″E / 37.99111°N 55.27472°E / 37.99111; 55.27472 , where its tributary the Sumbar joins it, the river forms the border of Iran with Turkmenistan ; this helped keep the area closed throughout the Cold War years. A 1957 treaty between Iran and
10-757: A long stretch before the Sumbar runs into the Atrek, it is separated from the latter by a range of hills called the Marábeh. The Atrek becomes part of the Turkmenistan-Iran border where the Sumbar flows into it, at 37°59′28″N 55°16′29″E / 37.99111°N 55.27472°E / 37.99111; 55.27472 . This article related to a river in Turkmenistan is a stub . You can help Misplaced Pages by expanding it . This article related to
15-540: Is the only Caspian watershed river of the Turkmen coast, sturgeons no longer reproduce in Turkmenistan. This article includes content derived from the Great Soviet Encyclopedia , 1969–1978, which is partially in the public domain . Sumbar River The Sumbar (also Sari-su , Sara-su and Ṣáríṣú ) is a fast flowing river in southern Turkmenistan and northern Iran . It a tributary of
20-708: The Atrek . The name Sari-su means yellow water in Turkic languages, but is applied to a number of other rivers as well. It used to be an area for Caspian tigers in Turkmenistan, until the last individual was killed in January 1954. The Sumbar is 245 kilometres (152 mi) long and drains a basin of 8,300 square kilometres (3,200 sq mi). It arises in the Kopet Dag mountains in Iran and flows into Turkmenistan. For
25-637: The USSR assigns equal rights to 50% of the water of the frontier parts of the Atrek. The same treaty also applies to the Aras River , which now forms part of the border between Iran and Azerbaijan . Even though sturgeons concentrate in the area of the Caspian Sea next to the Turkmen coast, they do not currently migrate into the Atrek River owing to its low water level and pollution. Since the Atrek
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