Osyotr

Water type: River
Basin: Oka -> Volga -> Caspian Sea -> Planet Earth
Continent: Europe
Climate: Continental
Country: Russia

The Osyotr (Russian: Осётр) is a river in Tula and Moscow Oblasts in Russia, a right tributary of the Oka. The length of the river is 228 kilometres. The area of its basin is 3,480 square kilometres. The Osyotr freezes up in November and stays icebound until the first half of April. The town of Zaraysk is located on the Osyotr River.