Kiya (river)

The Kiya (Ки́я) is a river in Tomsk and Kemerovo Oblasts of Russia. It is a left tributary of the Chulym (in the Ob's drainage basin), and is 548 km long, with a drainage basin of 32200 km2. The river has its sources in the Kuznetsk Alatau and flows in a northwesterly direction to its mouth in the Chulym some 40 km upriver from the town of Asino.

Its main tributaries are from the right: Tyazhin and Chet, and from the left: Kozhakh and Antibes.

The town of Mariinsk lies along the Kiya.