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Kolyma Mountains

geography Maturity 7-9 Next article →

The Kolyma Mountains, also known as the Kolyma Upland, are a major mountain system. They are located in northeastern Siberia. Most of this land sits within the Magadan Oblast. The mountains lie near the shores of the Sea of Okhotsk. This area is part of the broader Kolyma region. The mountains serve a vital role as a watershed. A watershed is a geographic area that directs water to different places. In this case, the mountains divide water between the Kolyma River basin and the Sea of Okhotsk. This separation is a key feature of the region's geography.

The physical structure of the mountains follows a specific alignment. They stretch along a northwest to southwest path. The landscape is not just a single line of peaks. Instead, it consists of several plateaus and ridges. These are punctuated by many granite peaks. Most of these granite peaks reach heights between 1,000 and 2,000 meters. The highest point in the entire system is Mount Nevskaya. This peak is located within the Omsukchan Range.

Several different highland areas surround the Kolyma Mountains. To the northwest, the Yukaghir Highlands rise up. The highest point in those highlands is Mount Chubukulakh. To the north and northeast, you will find the Anadyr Highlands. The Koryak Highlands are located to the east. To the west and southwest, the Upper Kolyma Highlands are bounded by specific landmarks. These include the Seymchan-Buyunda Depression to the north. The Ola river basin sits to the south. These surrounding areas help define the boundaries of the Kolyma system.

The Kolyma Mountains are divided into many smaller subranges. Most of these subranges are located within the Magadan Oblast. These include the Korkodon Range and the Kongin Range. You can also find the Molkaty Range and the Kilgan Massif. Other parts include the Maymandzhin Range and the Kedon Range. The Molongdin Range is another significant section. Some parts of the system extend into Kamchatka Krai at the eastern end.

The northernmost parts of the mountains reach into the Chukotka Autonomous Okrug. This area contains the Kuryin Range. It also includes the Oloy Range. The Oloy Range features the peak known as Ush-Urekchen. These northern ranges represent the edge of the Kolyma system. They connect the mountains to the different administrative regions of Russia. This distribution shows how large and spread out the mountain system is.

Water systems are deeply connected to the slopes of these mountains. Many rivers begin on the northern and northwestern slopes. These rivers flow into the Kolyma River. Examples include the Bakhapcha and the Buyunda rivers. The Balygychan and the Sugoy are also sources. The Korkodon River starts here and has a tributary called the Bulun. The Omolon River is another major river that begins in this area. It has several tributaries, including the Molongda, Oloy, Kedon, and Kegali.

In contrast, the southern and southeastern slopes create different water paths. The rivers originating on these slopes are generally shorter. They flow directly into the Sea of Okhotsk. These rivers include the Ola, Yama, Gizhiga, Paren, and Penzhina. This shows how the mountain's shape dictates the flow of water across the continent. The height and direction of the peaks determine whether water travels to the Pacific Ocean or the Kolyma River. This movement of water is a primary function of the Kolyma Upland's geography.

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