Lake Kozhozero Lake Kozhozero Lake Kozhozero () is a freshwater lake, located in the south of Onezhsky District of Arkhangelsk Oblast in Russia. It is one of the biggest lakes in Arkhangelsk Oblast and biggest one in Onezhsky District. The area of the lake is , and the area of its basin is . Lake Kozhozero is the source of Kozha River, which is a left tributary of the Onega River and thus belongs to the White Sea basin. The lake is located in the remote area and is not connected to the outside world by any all-season roads. It is notable
Lake Onega Historical, Architectural and Ethnographic Preservation Area. There are 89 wooden architectural monuments of the 15th to 20th centuries on the island. The most remarkable of those is Kizhi Pogost of the early 18th century which consists of a summer church with 22 domes, a winter church with nine domes, and a belfry. The pogost was included in the list of UNESCO World Heritage sites in 1990. In the summer, there are daily boat connections to the island from Petrozavodsk. Another attraction of the lake are the Onega petroglyphs (rock engravings). They are located on the eastern coast of the lake