The Kotorosl (russian: Ко́торосль) is a right tributary of the Volga in the Yaroslavl 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-eight ...

. The river flows from

Lake Nero Lake Nero () is a shallow, highly eutrophic lake in Yaroslavl Oblast, Russia. The lake has an area of 54.4 km², a maximum length of 13 km, width 8 km and depth 3.6 m. The bottom of the lake is covered with thick layer of s ...

near

Rostov Rostov ( rus, Росто́в, p=rɐˈstof) is a town in Yaroslavl Oblast, Russia, one of the oldest in the country and a tourist center of the Golden Ring. It is located on the shores of Lake Nero, northeast of Moscow. Population: While ...

past Karabikha and enters the Volga in

Yaroslavl Yaroslavl ( rus, Ярослáвль, p=jɪrɐˈsɫavlʲ) is a city and the administrative center of Yaroslavl Oblast, Russia, located northeast of Moscow. The historic part of the city is a World Heritage Site, and is located at the confluenc ...

. It is long, and has a drainage basin of .«Река Которосль (Которость, Котороть, Векса)»
Russian State Water Registry In the medieval ages, the river was highly important strategically, for it connected Rostov with major waterways of Russia. The Kotorosl's main tributary is the

Ustye Ustye (russian: У́стье) may refer to several places in Russia: Arkhangelsk Oblast * Ustye, Arkhangelsk Oblast, a village in Ryabovsky Selsoviet of Lensky District Chuvash Republic * Ustye, Chuvash Republic, a ''selo'' in Pitishevskoye Rural ...

, which flows past Semibratovo to Borisogleb.

References

Rivers of Yaroslavl Oblast {{Russia-river-stub