At a point 154 kilometres (96 mi) from its mouth, it has an average discharge of 203 cubic metres per second (7,200 cu ft/s).

The river freezes over in November, and stays icebound until the spring thaw starts in May.

In its upper course the banks are wooded, while its lower parts is characterized by meadows and bogs.

The river is twisting, and in its upper reaches it forms rapids and rocky stretches.

In its lower parts the river widens, its flow slows down and it starts forming meanders and small islands.