Chaya (Ob)
The Chaya is a left tributary of the Ob located in the Chainsky and Kolpashevsky districts of Tomsk Oblast, Russia. The river is formed by the confluence of two rivers: the Bakchar and Parbig rivers.The Chaya is 194 kilometers long. It flows into the Ob 2403 km from the Ob's mouth. The catchment area is 27,200 square kilometers.