Lake Undozero Lake Undozero Lake Undozero () is a freshwater lake, located in the west of Plesetsky District of Arkhangelsk Oblast in Russia. It is one of the biggest lakes in Arkhangelsk Oblast and the second biggest one in Plesetsky District. The area of the lake is , and the area of its basin is . Lake Undozero is the source of the Undosha River, which belongs to the river basin the Onega River and thus to the White Sea basin. The lake has a sophisticated shape and contains a number of islands. The source of the Undosha is in the south-western
Lake Kenozero shape is determined by the fact that Lake Kenozero is located in the rift of the earthcrust, in contrast to other lakes in Kenozersky National Park, all of them being of glacial origin. There are over 70 islands on Lake Kenozero. Until the 1990s, the lake served for timber rafting. The rafts were made in the course of the Undosha and the destination was the Onega. There are a dozen of villages at the lakeshore, the biggest of which are Vershinino and Pershlakhta. The road connects the northern shore (in particular, Ust-Pocha, Vershinino, and Pershlakhta) with "Onezhsky Trakt", the road