Bolshaya Pera
The Bolshaya Pera is a river in Amur Oblast, Russia. It is a right tributary of the Zeya. It begins on the Amur–Zeya Plain northwest of the mountains it flows through the town of Shimanovsk and the Vostochny Cosmodrome. It flows into a branch of the Zeya near Svobodny. It is long, and has a drainage basin of. Its main tributaries are Dzhatva and Malaya Pera to the right and Ora to the left.
