The Bolshoy Ik (, literally Greater Ik; , Olo Iyıq) is a tributary of the Sakmara, which flows south from the southern end of the Ural Mountains in Bashkortostan and Orenburg Oblast, Russia. The river is generally fed by snowmelt. See also List of rivers of Russia Nakas (mountain) References Rivers of Bashkortostan Rivers of Orenburg Oblast Ural basin