The Irpin () or Irpen () is a river in

Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...

, a right tributary of the Dnieper River. It is long, and has a

drainage basin A drainage basin is an area of land in which 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, ...

of . Irpin city is one of the urban settlements beside the river.Ирпень (река в УССР)
(''tr. "Irpin (river in the Ukrainian SSR)"''),

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; , ''BSE'') is one of the largest Russian-language encyclopedias, published in the Soviet Union from 1926 to 1990. After 2002, the encyclopedia's data was partially included into the later ''Great Russian Enc ...

The original confluence of the Irpin and the Dnieper is beneath the surface of the Kyiv Reservoir, which was formed by the dam for the Kyiv Hydroelectric Power Plant in the mid-1960s. A second dam, immediately south of the village of , was built to stop the reservoir from inundating more of the Irpin river basin. The Irpin reaches the dam 6.5–7 meters below the level of the reservoir and electrical pumps raise it into the reservoir. The lands around the Irpin were the heartland of

Kievan Rus' Kievan Rus', also known as Kyivan Rus,. * was the first East Slavs, East Slavic state and later an amalgam of principalities in Eastern Europe from the late 9th to the mid-13th century.John Channon & Robert Hudson, ''Penguin Historical At ...

, and the chronicles mention the river in connection with several important historic events, such as the Battle on the Irpin River of 1321 in which the Grand Duke of Lithuania

Gediminas Gediminas ( – December 1341) was Grand Duke of Lithuania from 1315 or 1316 until his death in 1341. He is considered the founder of Lithuania's capital Vilnius (see: Iron Wolf legend). During his reign, he brought under his rule lands from t ...

(Gedemin) allegedly gained control over the lands of what is now central Ukraine. The river also defended Kyiv from German invasion during

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

. Prior to the creation of

Soviet The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...

-era dams, the Irpin basin was a biodiverse

wetland A wetland is a distinct semi-aquatic ecosystem whose groundcovers are flooded or saturated in water, either permanently, for years or decades, or only seasonally. Flooding results in oxygen-poor ( anoxic) processes taking place, especially ...

. In 2022, during the first two days of the

Russian invasion of Ukraine On 24 February 2022, , starting the largest and deadliest war in Europe since World War II, in a major escalation of the Russo-Ukrainian War, conflict between the two countries which began in 2014. The fighting has caused hundreds of thou ...

, the Ukrainian Armed Forces destroyed the three lower bridges over the river, north-west of

Kyiv Kyiv, also Kiev, is the capital and most populous List of cities in Ukraine, city of Ukraine. Located in the north-central part of the country, it straddles both sides of the Dnieper, Dnieper River. As of 1 January 2022, its population was 2, ...

, to hinder the Russian advance on the city. The bridges were at Demydiv,

Hostomel Hostomel (, ) is a Rural settlement#Ukraine, rural settlement in Bucha Raion, Kyiv Oblast, Ukraine. It is located northwest of the capital Kyiv. It hosts the administration of Hostomel settlement hromada, one of the hromadas of Ukraine. Populatio ...

( Irpin Bridge), and Irpin city. Ukrainian troops also opened the Kozarovychi dam on the second day of the invasion to flood the Irpin basin, including houses in Demydiv. The flooding effectively created a shallow lake that prevented Russian vehicles from advancing across it. Russian shelling later damaged the dam, which made it more difficult for the Ukrainians to drain the area after the Russians had withdrawn. Ecologists argue that the dams should not be rebuilt and that the wetland should be protected and restored.

References

External links

{{Authority control Irpin Rivers of Kyiv Oblast