Bolshaya Pera

"Bolshaya Pera" may also refer to a tributary of the Lemyu in Komi Republic, Russia

The Bolshaya Pera (Russian: Большая Пера, also Большая Пёра Bolshaya Pyora)^[1] 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 145 kilometres (90 mi) long, and has a drainage basin of 4,400 square kilometres (1,700 sq mi).^[2] Its main tributaries are Dzhatva (57 km) and Malaya Pera (88 km) to the right and Ora (55 km) to the left.^[3]

Bolshaya Pera
Location
Country	Russia
Physical characteristics
Mouth	Zeya
• coordinates	51.3931°N 128.2048°E / 51.3931; 128.2048
Length	145 km (90 mi)
Basin size	4,400 km2 (1,700 sq mi)
Basin features
Progression	Zeya→ Amur→ Sea of Okhotsk