The Bolshoy Kub (Russian: Большой Куб) is a river in Perm Krai, Russia, a left tributary of the Veslyana, which in turn is a tributary of the Kama. The river is 37 kilometres (23 mi) long. The Bolshoy Kub flows into the Veslyana 121 kilometres (75 mi) from the larger river's mouth.[1]
