Kan (river)The Kan river is a right tributary of the Yenisey in Krasnoyarsk Krai, Siberia, Russia. It is long and drains a basin of. Its valley forms the southern boundary of the Yenisey Range.CourseThe headwaters of the river rise in the Sayan Mountains and flow from there in a northerly direction through Kansk and then in a westerly direction through Zelenogorsk, entering Yenisei at Ust-Kan, north-east of Krasnoyarsk.