The Tas-Kystabyt (, ) is a mountain range in the Sakha Republic and Magadan Oblast, Far Eastern Federal District, Russia. It is also known as "хребе́т Са́рычева" —Sarychev Range, in honor of 19th century Russian cartographer Admiral Gavril Sarychev.Тас-Кыстабыт — Great Soviet Encyclopedia in 30 vols. / Ch. ed. A.M. Prokhorov - 3rd ed. - M, 1969–1978
Geography The Tas-Kystabyt rises in the southeasternmost sector of the Chersky Range System. The range is bound by the upper Indigirka River valley and its tributary, the Nera River. The highest mountain of the range is an unnamed high summit.Wielka Encyklopedia Gór i Alpinizmu, tom 2 Góry Azji, Katowice: Wydawnictwo STAPIS, 2005, .
The range stretches in a roughly NNW/SSE direction for about . It separates the Oymyakon Plateau to the west from the Nera Plateau to the northeast. To the east it is bound by the Upper Kolyma Highlands and to the south it overlaps with the Suntar Khayata Range.1,000,000 scale Operational Navigation Chart; Sheet D-8Google Earth
Flora
The lower slopes of the range are covered by sparse larch taiga. The higher elevations have only mountain tundra.
References
External links The Tas-Kystabyt Magmatic Belt A Contribution to the Liverwort Flora of the Upper Course of the Indigirka River
sah:Таас Кыстаабыт