The Vitim is a major tributary of the Lena. Its source is east of Lake Baikal, at the confluence of rivers Vitimkan from the west and China from the east. The Vitim flows first south, bends eastwards

The Kalar, known as the Levoy Chinoy in its upper section, is a river in Zabaykalsky Krai, southern East Siberia, Russia. It is 511 kilometres long, and has a drainage basin of 17,400 square kilometre