Krasno-Oskol Reservoir
 Krasno-Oskol Reservoir (Ukrainian: Червоноскільське водосховище; Russian: Краснооскольское водохранилище sometimes translated as Chervonooskil - Krasnooskol'skoye - or Krasno-Oskol'skoe -) is an artificial lake on Oskol River in Kharkiv Oblast Ukraine.The reservoir was opened in year 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.