The Derkul is a left

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 Donets located in the

Luhansk Oblast Luhansk Oblast ( uk, Луга́нська о́бласть, translit=Luhanska oblast; russian: Луганская область, translit=Luganskaya oblast; also referred to as Luhanshchyna, uk, Луга́нщина) is the easternmost oblast ...

of northeast

Ukraine Ukraine ( uk, Україна, Ukraïna, ) is a country in Eastern Europe. It is the second-largest European country after Russia, which it borders to the east and northeast. Ukraine covers approximately . Prior to the ongoing Russian inv ...

, on the border to the Rostov Oblast of

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 ...

.Деркул (река в Ворошиловградской обл.)

Great Soviet Encyclopedia The ''Great Soviet Encyclopedia'' (GSE; ) 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 ''Bolshaya rossiyskaya e ...

It is long, and has a

catchment area In human geography, a catchment area is the area from which a location, such as a city, service or institution, attracts a population that uses its services and economic opportunities. Catchment areas may be defined based on from where people are ...

of .«Река Деркул (Деркуль)»
Russian State Water Registry The Derkul rises north of

Markivka Markivka ( uk, Марківка, russian: Марковка, Markovka) is an urban-type settlement in the Starobilsk Raion of Luhansk Oblast in the east of Ukraine with the population about . Prior to 2020, it was the administrative center of the f ...

in the Ukrainian

on the western foothills of the Central Russian Upland. It flows mainly in a southerly direction through a hilly plain in the northeast of the oblast and after 163 km flows on the left into the Siverskyi Donets. In parts of the lower course, it forms a border of the Rostov Oblast of Russia. The Derkul flows through the

urban-type settlement Urban-type settlementrussian: посёлок городско́го ти́па, translit=posyolok gorodskogo tipa, abbreviated: russian: п.г.т., translit=p.g.t.; ua, селище міського типу, translit=selyshche mis'koho typu, ab ...

Bilovodsk Bilovodsk ( uk, Біловодськ) is an urban-type settlement in the Starobilsk Raion of Luhansk Oblast in the east of Ukraine on the banks of the Derkul The Derkul is a left tributary of the Donets located in the Luhansk Oblast of northeast ...

at the lower reaches. The most important tributary of the Derkul is the

Polnaya Polnaya (russian: Полная, uk, Повна, Povna) is a river in the Rostov Oblast of Russia and the Luhansk Oblast of Ukraine, the left and largest tributary of Derkul. It is long, and has a drainage basin of . Its largest tributary is the ...

from the left.

References

{{Authority control Rivers of Luhansk Oblast Rivers of Rostov Oblast