# Alazeya

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River in Yakutia, Russia

Alazeya Алазея / Алаһыай Aerial photograph of Alazeya. Mouth location in Yakutia, Russia Location Country Russia Location Yakutia Physical characteristics Source Confluence of the Nelkan and Kadylchan rivers • location Alazeya Plateau • coordinates 67°44′38″N 147°49′59″E / 67.744°N 147.833°E / 67.744; 147.833 • elevation 116 m (381 ft) Mouth • location East Siberian Sea • coordinates 70°51′42″N 153°40′46″E / 70.8618°N 153.6795°E / 70.8618; 153.6795 • elevation 0 m (0 ft) Length 1,590 km (990 mi) (total) Basin size 64,700 km2 (25,000 sq mi) Discharge • average 320 m3/s (11,000 cu ft/s)

The **Alazeya** ([Russian](/source/Russian_language): Алазея; [Yakut](/source/Yakut_language): Алаһыай, romanized: *Alahıay*) is a river in the northeastern part of [Yakutia](/source/Sakha_Republic), [Russia](/source/Russia) which flows into the Arctic between the basins of the larger [Indigirka](/source/Indigirka) to the west and the [Kolyma](/source/Kolyma_River) to the east.

Mount [Kisilyakh-Tas](/source/Kisilyakh-Tas) is a notable [kigilyakh](/source/Kigilyakh) site on the right bank of the Alazeya River at [69°42′N 155°0′E / 69.700°N 155.000°E / 69.700; 155.000](https://geohack.toolforge.org/geohack.php?pagename=Alazeya&params=69_42_N_155_0_E_).[1]

## Geography

The river is 1,590 kilometres (990 mi) long. The area of its [basin](/source/Drainage_basin) is 64,700 square kilometres (25,000 mi2).[2] The Alazeya is formed at the confluence of the Nelkan and Kadylchan rivers in the slopes of the [Alazeya Plateau](/source/Alazeya_Plateau). It crosses roughly northwards through the tundra meandering among the flat, marshy areas of the [Kolyma Lowland](/source/Kolyma_Lowland), part of the greater [East Siberian Lowland](/source/East_Siberian_Lowland). Finally the Alazeya drains into the [Kolyma Bay](/source/Kolyma_Bay) of the [East Siberian Sea](/source/East_Siberian_Sea), close to [Logashkino](/source/Logashkino). The river freezes in late September through early October and stays icebound until late May through early June. There are more than 24,000 lakes in its basin.[3][4][5][6]

A sketch of the Alazeya basin.

### Tributaries

The biggest tributaries of the Alazeya are the 790 km (490 mi) long [Rassokha](/source/Rassokha) and 131 km (81 mi) long [Buor-Yuryakh](https://en.wikipedia.org/w/index.php?title=Buor-Yuryakh_(left_Alazeya_tributary)&action=edit&redlink=1) from the left,[7] as well as the 168 km (104 mi) long Sloboda River[8] and the 244 km (152 mi) long [Buor-Yuryakh](/source/Buor-Yuryakh) from the right.[2]

## History

Dmitrii Zyryan was the first Russian to reach the Alazeya in 1641,[9] but did not found a permanent settlement.

## See also

- [List of rivers of Russia](/source/List_of_rivers_of_Russia)

## References

1. **[^](#cite_ref-farb_1-0)** ["Types of weathering"](https://farbitis.ru/en/physical-geography/types-of-weathering/). *farbitis.ru*.

1. ^ [***a***](#cite_ref-gvr_2-0) [***b***](#cite_ref-gvr_2-1) ["Государственный водный реестр: река АЛАЗЕЯ"](https://textual.ru/gvr/index.php?card=263737). *textual.ru*.

1. **[^](#cite_ref-GЕ_3-0)** [Google Earth](/source/Google_Earth)

1. **[^](#cite_ref-bse_4-0)** [Алазея](http://bse.sci-lib.com/article009617.html) in the [Great Soviet Encyclopedia](/source/Great_Soviet_Encyclopedia). (in Russian)

1. **[^](#cite_ref-STM_5-0)** ["R-55_56 Topographic Chart (in Russian)"](https://maps.vlasenko.net/smtm1000/r-55_56.jpg). Retrieved 25 May 2022.

1. **[^](#cite_ref-STM2_6-0)** ["Q-55_56 Topographic Chart (in Russian)"](https://maps.vlasenko.net/smtm1000/q-55_56.jpg). Retrieved 25 May 2022.

1. **[^](#cite_ref-7)** ["Государственный водный реестр: река Буор-Юрэх"](https://textual.ru/gvr/index.php?card=263812). *textual.ru*.

1. **[^](#cite_ref-8)** ["Государственный водный реестр: река Слобода"](https://textual.ru/gvr/index.php?card=263623). *textual.ru*.

1. **[^](#cite_ref-Lantzeff_9-0)** Lantzeff, George V.; Richard A. Pierce (1973). *Eastward to Empire: Exploration and Conquest on the Russian Open Frontier, to 1750*. Montreal: McGill-Queen's University Press.

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Adapted from the Wikipedia article [Alazeya](https://en.wikipedia.org/wiki/Alazeya) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Alazeya?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.