Uda is a river in the Russian Far East in Khabarovsk Krai. Geography flows tributaries near the small town Chumikan into the Sea of Okhotsk. Some 1684 Cossacks fled on the Zeya River from the Manchus. Yakutsk-Udsk Track crossed the Amga River at the Aldan River at Amginsk.
Irtysh River is a river, the chief tributary of the Ob River