Kleven ( uk, Клевень) is a long right tributary of the Seym in Russia and Ukraine. It drains a catchment area of 2660 km² and has a gradient of 0.36 m/km.

Course

Kleven rises in the south-west of the

Central Russian Upland The Central Russian Upland (also Central Upland and East European Upland) is an upland area of the East European Plain and is an undulating plateau with an average elevation of . Its highest peak is measured at . The southeastern portion of the u ...

in the south of the Russian

Bryansk Oblast Bryansk Oblast (russian: Бря́нская о́бласть, ''Bryanskaya oblast''), also known as Bryanshchina (russian: Брянщина, ) is a federal subjects of Russia, federal subject of Russia (an oblast). Its administrative center is th ...

near the M3/ E101 trunk road and initially flows south. After a few kilometers, it comes across the Ukrainian village of Sopych. From there it forms the border between the Ukrainian

Sumy Oblast Sumy Oblast ( uk, Сумська́ о́бласть, translit=Sumska oblast; also referred to as Sumshchyna – uk, Су́мщина) is an oblast (province) in the northeastern part of Ukraine. Population: The oblast was created in its most r ...

and the Russian

Kursk Oblast Kursk Oblast ( rus, Курская область, r=Kurskaya oblast, p=ˈkurskəjə ˈobləsʲtʲ) is a federal subjects of Russia, federal subject of Russia (an oblast). Its administrative center is the types of inhabited localities in Russia, ...

over a longer stretch, changing its direction of flow mainly to the southwest, until it finally flows into the Seym at the southern edge of the village of Kamin in Sumy Oblast.

References

{{reflist, 30em Rivers of Bryansk Oblast Rivers of Kursk Oblast Rivers of Sumy Oblast