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12-599: The Anadyr Highlands are one of the two main mountain regions of Chukotka Autonomous Okrug. They rise southwest of the Chukotka Mountains , in the western Chukotka region. Medium height mountain ranges stretch in roughly WNW/ESE direction west of a large plateau and in a SW/NE direction in the south. The highlands rise between the Chaun Lowlands in the north, the Anadyr Lowlands in the southeast,

24-466: A continental climate while the mountain ranges are under the influence of an oceanic climate , which is felt more in the lower altitude mountains and less in the medium-high ones. The lower slopes of the mountains have tundra vegetation, often marshy in the intermontane basins , while the higher altitudes are Arctic desert . Rivers are abundant in fish. Chantalveergyn River The Chantalvergyrgyn ( Russian : Чантальвэргыргын ), also called

36-616: Is a mountainous area in the Chukotka Autonomous Okrug , Far Eastern Federal District , Russia. The ridges of this system are largely barren and desolate. About half of their area is above the Arctic Circle . The climate is one of the harshest in the Russian Federation , with minimum absolute temperatures reaching -73°С. Traditionally Chukchi people lived only in few intermontane areas, such as

48-671: The Amguema valley that cuts across the vast mountain zone. The Chukotka Mountains are one of the two main mountain regions of Chukotka. They rise west and east of the isthmus area of the Chukchi Peninsula , in the central Chukotka region, bounded by the Anadyr Highlands in the southwest. They are composed of mountains of middle height displaying alpine relief, as well as low mountains. They stretch in roughly WNW/ESE direction for 450 kilometers (280 mi), between

60-652: The Chantalveergyn , is a stream located in Chukotka Autonomous Okrug , Russian Far East . It is 222 kilometres (138 mi) long, and has a drainage basin of 6,620 square kilometres (2,560 sq mi). The name of the river in Chukot means “crossing the path to the Chaunts." The Chantalvergyrgyn flows roughly northeastwards in its upper course, limiting the western side of the Chantal Range of

72-719: The Chukotka Mountains , just south of the Iskhodnaya . Its source is very close to the Arctic Circle . Further down its course it bends and heads eastwards into the Ekityki from its left side. The river passes through sparsely populated areas. Winters in its area are long and bitter. The river surface remains frozen for over eight months. It usually freezes in Early October and stays under ice until June. Salmon , whitefish , vendace , grayling , rainbow herring , pike , burbot , bull trout , and loach are common in

84-923: The Kolyma Mountains in the southwest and the Kolyma Lowlands , where the Kolyma River flows, in the west. Among the rivers that have their source in the mountains, the main ones are the Anadyr River flowing off the highland limits to the southeast as the Belaya , the Bolshoy Anyuy and the Maly Anyuy —flowing westwards on both sides of the Anyuy Range . The Enmyvaam flows southwards out of Lake Elgygytgyn , later joining

96-645: The Belaya, while the Chaun River flows northwards from the northwestern edge of the crater of the lake. The main feature of the highlands is the Anadyr Plateau, which forms most of the eastern part. The Anadyr Plateau is roughly 400 kilometers (250 mi) long and about 150 kilometers (93 mi) wide. It is located in the latitude of the Arctic Circle and limited by the Pekulney Range to

108-702: The east. The average height of the plateau surface is between 700 meters (2,300 ft) and 800 meters (2,600 ft). Lake Elgygytgyn , an impact crater lake is located in a roughly central position. The plateau is largely covered with tundra and shrubs. Besides the Anadyr Plateau, the system of the Anadyr Highlands comprises a number of subranges, including the following: Chukotka Mountains The Chukotka Mountains ( Russian : Чукотское нагорье , romanized :  Chukotskoye Nagorye ) or Chukotka Upland (Russian: Чукотская горная страна , romanized:  Chukotskaya Gornaya Strana ),

120-462: The head of Chaun Bay and the Bering Sea shore. The ranges of the northern area consist of sandstone and shale with granite intrusions , while those of the southern part are made up of volcanic rocks . The highest peak is Mount Iskhodnaya (Исходная) in the Chantal Range . which is 1,843 metres (6,047 ft) high — or 1,887 metres (6,191 ft) according to other sources. Among

132-627: The ranges of the highlands, with a total area of 13.53 square kilometers (5.22 sq mi). The system of the Chukotka Mountains comprises a number of subranges, including the following: The climate of the Chukotka Mountains area is severe, with short cool summers and very cold 8-month long winters where blizzards are common owing to the influence of both the Arctic Ocean and the Aleutian Low . The valley areas have

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144-904: The rivers that have their source in the mountains, the following deserve mention: the Amguema River with its tributaries Ekityki and Chantalveergyn , the Palyavaam , Pegtymel and Tanyurer of the Chukchi Sea side, as well as the Kanchalan and the Belaya River tributaries Bolshoi Pykarvaam and Bolshaya Osinovaya of the Pacific Ocean side. The largest lakes in the mountain area are Ekityki , Ervynaygytgyn , Yanranaygytgyn , Ioni , Pychgynmygytgyn , Medvezhye , Achchyon and Koolen . There are 47 small glaciers in

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