The Beyenchime ( , Beyençime) is a river in Yakutia (Sakha Republic), Russia. It is a tributary of the Olenyok with a length of . Its drainage basin area is .
The river flows north of the Arctic Circle across a lonely, desolate area of the Olenyoksky District devoid of settlements. The Beyenchime-Udzha interfluve is an area where diamonds are found.Certain characteristics of diamonds from placers in northeastern Siberian Platform
Course The Beyenchime is a left tributary of the Olenyok. Its sources are at the limit of the Northern Siberian Lowland, in the vicinity of the sources of the Bur and the Udya. It flows roughly eastwards to the south of the Bur and to the north of the Kuoika. To the south and southwest of its middle course there is a large area dotted with lakes. In its last stretch the Beyenchime turns into the Central Siberian Plateau and heads in a SSE direction until its mouth in the Olenyok, from its mouth.Google Earth
The river is frozen between early October and late May and may cause floods in the summer. Its main tributaries are the long Beyemchikeen (Бэйэмчикээн) and the long Beyenchime Salaata (Бэйэнчимэ-Салаата) from the left. There is an impact crater south of the lower course of the Beyenchime Salaata.Beenchime Salaatinsky crater in northern Yakutia - origin and late quaternary records in the 8-km circular structure
See also Beyenchime-Salaata crater List of rivers of Russia
References
External links Fishing & Tourism in Yakutia Crater Taphonomy and Bombardment Rates in the Phanerozoic