The Upper Angara Range () is a mountain range in

Buryatia Buryatia, officially the Republic of Buryatia, is a republic of Russia located in the Russian Far East. Formerly part of the Siberian Federal District, it has been administered as part of the Far Eastern Federal District since 2018. To its nort ...

and

Irkutsk Oblast Irkutsk Oblast (; ) is a federal subjects of Russia, federal subject of Russia (an oblast), located in southeastern Siberia in the basins of the Angara River, Angara, Lena River, Lena, and Nizhnyaya Tunguska Rivers. The administrative center is ...

Russia Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the list of countries and dependencies by area, largest country in the world, and extends across Time in Russia, eleven time zones, sharing Borders ...

, part of the

Stanovoy Highlands The Stanovoy Highlands () or Stanovoy Uplands is a mountain range in the Transbaikal region of Siberia, Russia. Geography The Stanovoy Highlands are a mountainous area between the Patom Highlands to the north and the Vitim Plateau to the south. ...

Google Earth Google Earth is a web mapping, web and computer program created by Google that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satelli ...

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 at the foot of the southern side of the range.

Geography

The range stretches from southwest to northeast for about , from the northern end of

Lake Baikal Lake Baikal is a rift lake and the deepest lake in the world. It is situated in southern Siberia, Russia between the Federal subjects of Russia, federal subjects of Irkutsk Oblast, Irkutsk Oblasts of Russia, Oblast to the northwest and the Repu ...

to the sources of the Mamakan river, a left tributary of the

Vitim Vitim () is the name of several inhabited localities in Russia. Modern localities * Vitim, Sakha Republic, an urban locality (an urban-type settlement) in Lensky District of the Sakha Republic * Vitim, Republic of Buryatia, a rural locality (a ...

. It forms the northern limit of the Upper Angara Depression, rising above the right bank of the

Upper Angara River The Upper Angara (, ''Verkhnyaya Angara''; , ''Deede Angar'') is a river in Buryatia, Siberia to the northeast of Lake Baikal. the third longest river in the Baikal basin. It is long, and has a drainage basin of . (Upper Angara River) The Baika ...

which flows into Lake Baikal. To the east rises the

Delyun-Uran The Delyun-Uran Range () is a mountain range in Irkutsk Oblast and Buryatia, Russia, part of the Stanovoy Highlands. The nearest airport is Bodaybo Airport.Google Earth History This remote mountain area was first explored by Peter Kropotkin an ...

, the northernmost range of the

. The main ridge is relatively narrow, with sharp peaks,

cirque A (; from the Latin word ) is an amphitheatre-like valley formed by Glacier#Erosion, glacial erosion. Alternative names for this landform are corrie (from , meaning a pot or cauldron) and ; ). A cirque may also be a similarly shaped landform a ...

s and

glacial trough U-shaped valleys, also called trough valleys or glacial troughs, are formed by the process of Glacial period, glaciation. They are characteristic of mountain glaciation in particular. They have a characteristic U shape in cross-section, with s ...

s.Верхнеангарский хребет
— ''

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 highest summit is a high unnamed

ultra prominent peak An ultra-prominent peak, or ultra for short, is a mountain summit with a topographic prominence of or more; it is also called a P1500. The prominence of a peak is the minimum height of climb to the summit on any route from a higher peak, or fro ...

.Peakbagger - Verkhne-Angarskiy Khrebet High Point, Russia
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Hydrography

The range forms a

watershed Watershed may refer to: Hydrology * Drainage divide, the line that separates neighbouring drainage basins * Drainage basin, an area of land where surface water converges (North American usage) Music * Watershed Music Festival, an annual country ...

that separates the Mama River basin to the north from the right tributaries of the Upper Angara to the south. The Kichera, one of the rivers flowing into Baikal, originates at the southwestern end of the ridge. Rivers Left Mama and Right Mama, which form the

Mama River The Mama () is a river in Irkutsk Oblast and Buryatia, Russia. It is a left tributary of the Vitim, the second largest in basin area after the Tsipa. The river has a length of and a drainage basin of . The total length of the river including the L ...

, a tributary of the

, as well as the Chaya, have their sources in the northern side of the range.

Flora

The slopes of the range are mainly covered with

larch Larches are deciduous conifers in the genus ''Larix'', of the family Pinaceae (subfamily Laricoideae). Growing from tall, they are native to the cooler regions of the northern hemisphere, where they are found in lowland forests in the high la ...

taiga Taiga or tayga ( ; , ), also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces, and larches. The taiga, or boreal forest, is the world's largest land biome. In North A ...

, with

mountain tundra Alpine tundra is a type of natural region or biome that does not contain trees because it is at high elevation, with an associated harsh climate. As the latitude of a location approaches the poles, the threshold elevation for alpine tundra gets ...

and bare summits (golets) at higher elevations.

References

External links

Лето 2020 часть 1. Верхнеангарский хребетВерхне Ангарский хребет 2008
Mountain ranges of Russia Mountains of Buryatia Mountains of Irkutsk Oblast South Siberian Mountains {{IrkutskOblast-geo-stub

Geography

Hydrography

Flora

See also

References

External links