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Jaxartes

Syr Darya (Kazakh: Сырдария
Uzbek: Sirdaryo
Tajik: Сирдарё
)
Jaxartes, Seyhun
River
Syr Darya.jpg
Syr Darya at Kyzylorda, Kazakhstan
Name origin: unknown
Countries Kyrgyzstan, Uzbekistan, Tajikistan, Kazakhstan
Tributaries
 - left Kara
 - right Naryn, Chirciq, Arys, Chu, Sarysu
Cities Khujand, TJ, Tashkent, UZ, Turkestan, KZ, Kyzylorda, KZ, Baikonur, RU
Source Confluence of Naryn and Kara Darya
 - location Fergana Valley, Uzbekistan
 - elevation 400 m (1,312 ft)
 - coordinates 40°54′03″N 71°45′27″E / 40.90083°N 71.75750°E / 40.90083; 71.75750
Mouth Aral Sea
 - location Kazaly, Kazakhstan
 - elevation 42 m (138 ft)
 - coordinates 46°09′15″N 60°52′25″E / 46.15417°N 60.87361°E / 46.15417; 60.87361Coordinates: 46°09′15″N 60°52′25″E / 46.15417°N 60.87361°E / 46.15417; 60.87361
Length 2,212 km (1,374 mi)
Basin 402,760 km2 (155,507 sq mi)
Discharge
 - average 1,180 m3/s (41,671 cu ft/s)
Syrdaryamap.png
Map of the watershed of Syr Darya. Aral Sea boundaries are c. 1960.

The Syr Darya/ˌsɪərˈdɑːrjə/ (Kazakh: Сырдария, Sırdarïya, سىردارٸيا; Russian: Сырдарья́, tr. Syrdarjja; IPA: [sɨrdɐˈrʲja]; Persian: Sirdarya سيردريا‎‎; Tajik: Сирдарё, Sirdaryo/Sirdarjo; Turkish: Seyhun, Siri Derya; Arabic: سيحون‎‎: Seyhun; Uzbek: Sirdaryo/Сирдарё) is a river in Central Asia.

The Syr Darya originates in the Tian Shan Mountains in Kyrgyzstan and eastern Uzbekistan and flows for 2,212 kilometres (1,374 mi) west and north-west through Uzbekistan and southern Kazakhstan to the northern remnants of the Aral Sea. It is the northern and eastern of the two main rivers in the endorrheic basin of the Aral Sea, the other being the Amu Darya. In the Soviet era, extensive irrigation projects were constructed around both rivers, diverting their water into farmland and causing, during the post-Soviet era, the virtual disappearance of the Aral Sea, once the world's fourth-largest lake.


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