The Olyokma-Stanovik is part of the
South Siberian System. It consists in a number of ranges of moderate height rising in the area of the sources of the
Olyokma River and stretches roughly northeastwards for over . The width of the group of ranges reaches a maximum of in its central part. Some of the ranges are separated by
intermontane basins, such as the Upper Olyokma Depression, the Tungir Depression and the Nenyugin Depression. The average summits of the Olyokma-Stanovik reach between and . The highest point is a high
Golets Kropotkin. The range rises in an area prone to
earthquakes. •
Muroy Range, highest point high
Golets Kropotkin •
Olyokma-Stanovik Range, highest point (unnamed) •
Khorkovy Range, highest point high Urguchanskiy Golets •
Tungir Range, highest point high Mount Guran •
Cheromny Range, highest point (unnamed) •
Western Lyundor Range, highest point (unnamed) •
Urusha Range, highest point (unnamed); it includes the Nyukzha Ridge, a spur of the range where the sources of the
Nyukzha river are located. •
Kiteme-Yunikal (хребет Китэмэ-Юникал), located in
Tyndinsky District, Amur Oblast
Hydrography The Olyokma-Stanovik forms the main watershed between the rivers of the
Lena basin (flowing into the Arctic Ocean) and the ones of the
Amur basin (flowing into the Pacific Ocean). The
Olyokma, a right tributary of the Lena, and its tributaries
Srednyaya Mokla,
Tungir and
Nyukzha have their sources in the highlands. Other important rivers originating in the highlands are the
Nercha,
Kuenga and
Cherna, left tributaries of the
Shilka, as well as the left tributaries of the Amur:
Amazar,
Urka and
Urusha, among others. ==Flora==