Oskil Reservoir

Oskil Reservoir (; , sometimes translated as "Oskol", "Oskilske -") is an artificial lake on Oskol River in Kharkiv Oblast, Ukraine.
Former name: Chervony-Oskil reservoir.
The reservoir was opened in 1958. Its area is 130 km², maximal length 125 km, maximal width 4 km, average depth is 4 m and about the volume 474 hm³. The purpose of the reservoir is to regulate flooding, serve as source for electricity and to help fishing industry.