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10-694: There are large deposits of gold, tin and rare metals in the Upper Kolyma Highlands. The area is relatively less desolate than other mountainous zones of Northeastern Siberia, such as the Yukaghir Highlands or the Nera Plateau . However, some of the mining operations were deemed unprofitable following the collapse of the USSR and certain settlements of the Susumansky District lost population. Only

20-589: A mountainous area in the Sakha Republic and Magadan Oblast , Far Eastern Federal District , Russia. The area is named after the Yukaghir people . The Yukaghir Highlands are a mountain region located at the eastern limits of the Sakha Republic and the northwestern end of Magadan Oblast, as well as a little part in the westernmost limit of Chukotka Autonomous Okrug . They include two medium height mountain ranges,

30-633: A residual population remains in Shiroky , Kholodny and Bolshevik . Other places such as Belichan and Kadykchan have become ghost towns . The R504 Kolyma Highway crosses the southern part of the highlands. The Upper Kolyma Highlands are located in the upper course of the Kolyma . They are bound in the west by the Tas-Kystabyt and Suntar-Khayata ranges and to the east by the Seymchan - Buyunda Depression to

40-562: The Buyunda , Bakhapcha —with the Maltan , Byoryolyokh and Tenka , among others. There are mineral water springs. The valleys of the rivers and their slopes are overgrown with sparse forests of Siberian larch and dwarf cedar . At higher elevations there is mountain tundra up to heights of 1,200 metres (3,900 ft) to 1,800 metres (5,900 ft). Yukaghir Highlands The Yukaghir Highlands (Russian: Юкагирское нагорье ) are

50-610: The Chubukulakh Range and the Siversky Range , as well as a plateau, the Yukaghir Tableland . The average height of the intermontane basins of the plateau is between 300 meters (980 ft) and 700 meters (2,300 ft). In the ranges a few scattered mountains rise above 1,000 meters (3,300 ft) and the highest point is 1,128 metres (3,701 ft) high Mount Chubukulakh (Чубукулах). The highlands are limited by

60-675: The Kolyma rivers. The lowland is formed by fluvio-lacustrine loam soil about 120 m thick. The climate is subarctic. The Kolyma Lowland stretches for 750 kilometers (470 mi) along the Kolyma River from the East Siberian Sea to the Chersky Range , between the Alazeya and Yukagir plateaus. Besides the Kolyma, other rivers in the lowland include the Alazeya , its tributary Rossokha , and

70-513: The Kolyma Lowland to the west and the courses of the Bulun and Namyndykan rivers to the south. The Kolyma Mountains rise to the east and southeast. The Arctic Circle passes through the area. The Yukaghir Highlands separate the basins of the Kolyma and Omolon rivers, both flowing roughly northwards. The latter marks the eastern limit. The Berezovka River has its sources within the area of

80-424: The mountains. There are sparse forests of larch in the lower slopes of the mountain ranges and thickets of dwarf stone pine at higher altitudes. The mountaintops are covered with tundra . Kolyma Lowland The Kolyma Lowland ( Russian : Колымская низменность ) is a lowland plain in the northeastern parts of Sakha Republic in the basin of the Alazeya , Bolshaya Chukoch'ya and lower reaches of

90-601: The north and the Ola river basin to the south, with the Maymandzhin Range stretching in between. To the northwest lies the Nera Plateau and in the north the highlands merge with the southernmost chains of the Chersky Range . The Seimkan Mountains and the Igandzha Massif rise to the south, among other minor ranges. The ranges are generally smooth, although some ridges display alpine characteristics. The higher elevations of

100-461: The ridges are between 1,300 metres (4,300 ft) and 2,000 metres (6,600 ft). The highest point is 2,293 metres (7,523 ft) high Gora Snezhnaya . Another important summit is 2,286 metres (7,500 ft) high Pik Aborigen , both in the Angachak Range . The main rivers in the highlands are part of the upper basin of the Kolyma River, including rivers Ayan-Yuryakh and Kulu , as well as

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