Onega, Russia town is also served by the Arkhangelsk–Murmansk rail line, which branches off in Obozerskaya railway station from the railroad between Moscow and Arkhangelsk and runs west to Onega and Belomorsk where it joins the railroad between Petrozavodsk and Murmansk. The railroad was built during World War II to secure the transport of goods from the harbor of Murmansk to central Russia. Onega is connected to Severodvinsk by a road. There are no all-seasonal roads on the left bank of the Onega River. The Onega is navigable downstream from the "selo" of Porog; there is regular passenger navigation. There is also
Lake Kovzhskoye complex shape, with one bay in the south and one more bay (Lake Lozskoye, where the source of the Kovzha is located) in the southwest. From the north, Lake Kuzhozero is adjacent to Lake Kovzhskoye. The catchment area of Lake Kovzhskoye is relatively small, since the lake is located in the Andoma Hills. To the east of the lake, there is river basin of the Kema River, another tributary of Lake Beloye, and the areas to the north and to the west drain into Lake Onega. Two villages, Loza and Yakshino, are located on the southern shore of the lake.