The Bolshaya Pera (russian: Большая Пера, also Большая Пёра ''Bolshaya Pyora'') is a river in

Amur Oblast Amur Oblast ( rus, Аму́рская о́бласть, r=Amurskaya oblast, p=ɐˈmurskəjə ˈobləsʲtʲ) is a federal subject of Russia (an oblast), located on the banks of the Amur and Zeya Rivers in the Russian Far East. The administrat ...

Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-eig ...

. It is a right

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drai ...

of the Zeya. It begins on the

Amur–Zeya Plain Amur–Zeya Plain (russian: Амурско-Зейское плато) is plateau in Amur Oblast, Russia. The climate is continental with features of the monsoon, with cold, snowless winters and moderately warm summers. There are places gold depos ...

northwest of the mountains it flows through the town of Shimanovsk and the

Vostochny Cosmodrome The Vostochny Cosmodrome (russian: Космодром Восточный, ''Kosmodrom Vostochny'', "Eastern Spaceport") is a Russian spaceport (still partly under construction) above the 51st parallel north in the Amur Oblast, in the Russian ...

. It flows into a branch of the Zeya near Svobodny. It is long, and has a drainage basin of . Its main tributaries are Dzhatva (57 km) and Malaya Pera (88 km) to the right and Ora (55 km) to the left.Реки Амурской области
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References

{{reflist Rivers of Amur Oblast