Lake Valdayskoye, Lake Valdai. Novgorod Region. Stock Image

Lake Valdayskoye, Lake Valdai Russian: Валдайское озеро, озеро Валдай is a freshwater lake, located in the center of Valdaysky District of Novgorod Oblast in Russia, in the middle of the Valdai Hills. It is one of the biggest lakes in Novgorod Oblast. The area of the lake without islands is 19.7 square kilometres 7.6 sq mi,[3] and the area of its basin is 97.2 square kilometres 37.5 sq mi. The average depth of Lake Valdayskoye is 12 metres 39 ft the deepest point is 60 metres 200 ft. The lake freezes up in early December and stays icebound until early May. The lake is located in the center of Valdaysky National Park.