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18-635: The Chüy Region , the northernmost and most populous administrative region of Kyrgyzstan, is named after the river; so are Chüy Avenue , the main street of the Kyrgyz capital of Bishkek and the city of Shu in Kazakhstan's Jambyl Region . The Chu is formed by the confluence of the rivers Joon Aryk and Kochkor , in the Kochkor District of the Naryn Region . After approaching within

36-528: A few kilometres of Lake Issyk-Kul (near Balykchy ), without either flowing into the lake or draining it, it turns towards the northwest. In the 1950s an old riverbed called Ketmaldy (also Buugan) linked the Chu River and Issyk Kul. During floods part of Chu water would reach the lake, but such outflow has not been seen since the construction of the Orto-Tokoy Reservoir . After passing through

54-410: Is Bishkek . Its total area is 19,895 km (7,682 sq mi). The resident population of the region was 974,984 as of January 2021. The region has sizeable Russian (20.8% in 2009) and Dungan (6.2% in 2009) minorities. It takes its name from the river Chüy , that flows through the region. In 1926, the area of the current region became part of the newly established Kirghiz ASSR. In 1939

72-434: Is divided into seven regions ( Kyrgyz : облус , romanized :  oblus ; Russian : область , romanized :  oblast ). The capital, Bishkek , is administered as an independent city of republican significance, as well as being the capital of Chüy Region . Osh also has independent city status since 2003. The regions, with their areas, census populations and capitals, are as follows: Each region

90-478: Is one urban-type settlement in the region: Bordu (part of Kemin District). The Chüy District surrounds the city of Tokmok. The Alamüdün District surrounds the city of Bishkek , which however is not part of Chüy Region but a region-level administrative unit in its own right. The southwestern heel is administered as two exclaves of Jayyl and Panfilov Districts, Panfilov having a valley to the southeast and Jayyl

108-764: The Ashchykol Depression . The area of this river was originally home to the Iranian Sughds who spoke Soghdian , an Eastern Iranian language . During the Middle Ages , the area was strategically important. It was the setting of Suyab , the capital of the Western Turkic Khaganate and Balasagun , the capital of the Qara Khitai (Western Liao dynasty). The Chu River posed a risk of flooding for settlements located in

126-594: The Chu Valley. In the winter of 1878, an ice gorge formed on the Chu River upstream from Tokmok , the administrative centre of Semirechye Province. This was followed by severe flooding that damaged the town and the province's capital was moved to Pishpek (Bishkek). The river flow is regulated by the dam at Orto-Tokoy Reservoir in Kyrgyzstan built in 1957 and the dam at Tasotkel Reservoir in Kazakhstan built in 1974. The Kyrgyz State Agency for Hydrometeorology and

144-691: The Frunze Region ( oblast ) was established. In 1959 Frunze Region was dissolved, and its constituent districts became districts of republican significance (not subordinated to a region). In 1990 the Chüy Region was established. From 2003 to 2006, its administrative center was Tokmok. During the Soviet period, various agro-processing and other industries were established throughout the province, giving rise to several urban centers such as Tokmok , Kant and Kara-Balta . The main northwest part of

162-610: The Kazakhstan Hydrometeorological Service (Kazhydromet) operate a number of water quality monitoring stations on the Chu River and its tributaries. According to the Kyrgyz State Agency for Hydrometeorology, in 2004–08 the water pollution index of the Chu River in the Chu Valley ranged from 0.25 to 0.7 units, which is interpreted as Class II ("Clean water"). The only exception was a monitoring point downstream of Vasilyevka village where

180-551: The Population and Housing Census of 2009, was 803,230. The Region's estimated population was at 974,984 in the beginning of 2021. The population is considerably more heterogeneous than that of the other regions of the country, with many ethnic Russians, Ukrainians, Dungans , Koreans , Germans , etc. According to the 2009 Census, the ethnic composition (de jure population) of Chüy Region was: Regions of Kyrgyzstan [REDACTED] CIS Member State Kyrgyzstan

198-455: The maximum allowable concentrations. In Kyrgyzstan, 4892 rivers and canals flow into Chu River. The main tributaries are, from source to mouth: Ch%C3%BCy Region Chüy Region is the northernmost region of Kyrgyzstan , surrounding the country's national capital of Bishkek . It is bounded on the north by Kazakhstan , and clockwise, Issyk-Kul Region , Naryn Region , Jalal-Abad Region , and Talas Region . Its administrative center

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216-525: The mountains to the north, west and southwest. The economically active population of Chüy Region in 2009 was 349,921, of which 297,298 employed and 52,632 (15.0%) unemployed. Agricultural production includes wheat, maize, sugar beets, potatoes, lucerne , and various vegetables and fruits. There is little industry in the region. The main east-west transportation axis of the region is the Taraz - Bishkek - Balykchy highway, running through most major cities of

234-636: The narrow Boom Gorge ( Russian : Боомское ущелье , Boomskoye ushchelye ), the river enters the comparatively flat Chüy Valley , within which lie the Kyrgyz capital Bishkek and the Kazakh city of Shu . Much of the Chu's water is diverted into a network of canals, such as the Great Chüy Canal , to irrigate the fertile black soils of the Chüy Valley for farming, on both the Kyrgyz and Kazakh sides of

252-706: The northern border of the Talas Region. There are many hiking and trekking routes accessible from the towns in the valley. The southwestern heel of the region over the Kyrgyz Alatau is geographically more like Naryn Region. The northeast panhandle is the Chong Kemin Valley . The Chüy Region is divided administratively into one city of regional significance ( Tokmok ), and eight districts: Kant , Kara-Balta , Kayyngdy , Kemin , Orlovka and Shopokov are cities of district significance. There

270-465: The region is flat, a rarity in Kyrgyzstan. This is the Chüy Valley , the valley of the river Chu ( Chüy ). The valley's black soil is fertile and largely irrigated with water diverted from the Chu. The region's Agricultural production includes wheat, maize, sugar beets, potatoes, lucerne , and various vegetables and fruits. The Kyrgyz Ala-Too mountains form the southern border of the region and

288-527: The region. This road's section west of Bishkek is part of European route E40 , known locally as Highway M-39 (based on the old USSR highway numbering scheme). The same numbers apply to the road that continues north-east from Bishkek toward Almaty , crossing the river Chüy and leaving the region for Kazakhstan at Korday border crossing. The only railway in the region runs along the same Taraz-Bishkek-Balykchy route; it sees comparatively little use these days. The resident population of Chüy Region, according to

306-481: The river. As the Chu flows through the Chüy Valley, it forms the border between Kyrgyzstan and Kazakhstan for more than a hundred kilometres, but then it leaves Kyrgyzstan and flows into Kazakhstan , where it flows at the northern edge of the Moiynkum Desert , with lake Kokuydynkol close to its channel. In wet years it may reach the endorheic salt lake Akzhaykyn , located among the vast solonchaks of

324-630: The water pollution index ranged from 0.4 to 1.2 units and water quality was assessed as Class II(Clean)/Class III ("Moderately polluted"). According to the Kazakhstan Hydrometeorological Service (Kazhydromet), the water pollution index of the Shu (Chu) River in the Jambyl Region of Kazakhstan amounted to 2.01 (Class III, "Moderately polluted") in 2008, and 1.83 (Class III, "Moderately polluted") in 2009. Such water quality parameters as biochemical oxygen demand , nitrites , copper , and phenols exceeded

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