The Nyukzha () is a river in

Amur Oblast Amur Oblast () is a federal subject of Russia (an oblast), located on the banks of the Amur and Zeya rivers in the Russian Far East. The oblast borders Heilongjiang province of the People's Republic of China (PRC) to the south. The administrati ...

and

Transbaikalia Transbaikal, Trans-Baikal, Transbaikalia ( rus, Забайка́лье, r=Zabaykal'ye, p=zəbɐjˈkalʲjɪ), or Dauria (, ''Dauriya'') is a mountainous region to the east of or "beyond" (trans-) Lake Baikal at the south side of the eastern Si ...

, East Siberia,

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. It is the second largest tributary of the Olyokma river in terms of length and area of its basin. The Nyukzha is long and has a

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

of . There are a number of inhabited places close to the banks of the river, including Ust-Urkima, Lopcha, Chilchi, Ust-Nyukzha, Larba and Yuktali, mostly with a significant Evenk population. A section of the

Baikal–Amur Mainline The Baikal–Amur Mainline (, , , ) is a broad-gauge railway line in Russia. Traversing Eastern Siberia and the Russian Far East, the -long BAM runs about 610 to 770 km (380 to 480 miles) north of and parallel to the Trans-Siberian Railway. ...

passes along the river valley.Город Тында - Tynda.ru
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/ ''

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; , ''BSE'') is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Great Russian Enc ...

:'' in 30 vols. / Ch. ed. A.M. Prokhorov. - 3rd ed. - M. Soviet Encyclopedia, 1969-1978. The river is a destination for

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. There are rock paintings of the

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by the right bank of the Nyukzha and from its mouth, near the confluence with the Onen river. The name of the river originated in the Evenki word ''"nyukzhach"'', meaning "to wander".Нюкжа - Water of Russia
/ref>

Course

The Nyukzha is a right tributary of the Olyokma, of the Lena basin. Its source is in

Zabaykalsky Krai Zabaykalsky Krai is a federal subjects of Russia, federal subject of Russia (a krai), located in the Russian Far East. Its administrative center is Chita, Zabaykalsky Krai, Chita. As of the Russian Census (2010), 2010 Census, the population was ...

, in the northern slope of the Nyukzha ridge, a spur of the Urushin Range, of the Olyokma-Stanovik Highlands.

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In its upper course through the highlands it flows fast, forming numerous

rapids Rapids are sections of a river where the river bed has a relatively steep stream gradient, gradient, causing an increase in water velocity and turbulence. Flow, gradient, constriction, and obstacles are four factors that are needed for a rapid t ...

. It goes roughly northeastwards leaving the Chernyshev Range on the right through a narrow valley. Then it bends and changes to a northwestward direction. Farther downstream the Nyukzha slows down, divides into arms, and forms

meanders A meander is one of a series of regular sinuous curves in the channel of a river or other watercourse. It is produced as a watercourse erodes the sediments of an outer, concave bank ( cut bank or river cliff) and deposits sediments on an inn ...

. Finally it joins the right bank of the Olyokma from this river's mouth in the Lena. The Nyukzha has numerous tributaries and seven of them are over long. The longest one is the long Lopcha (Лопча) from the left. The river freezes in October and stays under ice until late April or early May.

References

External links

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День оленевода и охотника отпраздновали в селе Усть-Уркима Тындинского района - Evenk celebration on the ice of the Nyukzha riverData on the Fish Species Composition in Nyukzha River (Olekma Tributary) and its Basin
Rivers of Amur Oblast Rivers of Zabaykalsky Krai {{FarEast-Russia-river-stub

Course

See also

References

External links