The Oredezh (russian: О́редеж) is a
river
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of w ...
in
Volosovsky,
Gatchinsky, and
Luzhsky District
Luzhsky District (russian: Лу́жский райо́н) is an administrativeOblast Law #32-oz and municipalLaw #65-oz district (raion), one of the seventeen in Leningrad Oblast, Russia. It is located in the southwest of the oblast and borders wi ...
s in the south-western part of
Leningrad Oblast
Leningrad Oblast ( rus, Ленинградская область, Leningradskaya oblast’, lʲɪnʲɪnˈgratskəjə ˈobləsʲtʲ, , ) is a federal subject of Russia (an oblast). It was established on 1 August 1927, although it was not until 194 ...
,
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 ...
, 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
Luga. The length of the river is , whereas the area of its
drainage basin
A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...
is . The principal tributary of the Oredezh is the
Suyda (left).
A cascade of hydroelectric plants was constructed on the upper course of the river in 1948.
The source of the Oredezh is located in
Lake Kyurlevsky Karyer
A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger ...
in the eastern part of Volosovsky District. The river flows south and crosses into Gatchinsky District. Upstream of the settlement of
Batovo it turns east and flows through the urban-type settlements
Siversky
Siversky (russian: Си́верский) is an urban locality (an urban-type settlement) in Gatchinsky District of Leningrad Oblast, Russia, on the bank of the Oredezh River. Its population was
The banks of the Oredezh River through Siversky a ...
and
Vyritsa
Vyritsa (russian: Вы́рица, fi, Viiritsa) is an urban locality (an urban-type settlement) in Gatchinsky District of Leningrad Oblast, Russia, located on the bank of the Oredezh River, southwest of the town of Gatchina. Population:
History ...
. At the eastern edge of Vyritsa it sharply turns to the south and accepts the Suyda from the left. It further crosses into Luzhsky District and by the selo of
Milodezh turns west. The mouth of the Oredezh is at the selo of
Ploskoye
Ploskoye (russian: Плоское) is a rural locality (a khutor) in Volokonovsky District, Belgorod Oblast
Belgorod Oblast (russian: Белгоро́дская о́бласть, ''Belgorodskaya oblast'') is a federal subject of Russia (an ...
.
The drainage basin of the Oredezh includes the southern part of Gatchinsky District and the eastern part of Luzhsky District, as well as minor areas in the east of Volosovsky District and in the southwest of
Tosnensky District
Tosnensky District (russian: То́сненский райо́н) is an administrativeOblast Law #32-oz and municipalLaw #116-oz district (raion), one of the seventeen in Leningrad Oblast, Russia. It is located in the central southwestern part of ...
. Urban-type settlements of Siversky, Vyritsa, and
Druzhnaya Gorka lie in the basin of the Oredezh. A part of
Mshinskoye Boloto Zakaznik
Mshinskoye Boloto Zakaznik (russian: заказник Мшинское болото) is a federal zakaznik, a nature protected area, in the northwest of Russia, located in Gatchinsky and Luzhsky Districts of Leningrad Oblast, in the basin of the ...
lies in the basin of the Oredezh, west of the river course.
References
{{Authority control
Rivers of Leningrad Oblast
