Lake Onega of Petrozavodsk–Kizhi, Petrozavodsk–Velikaya Guba and Petrozavodsk–Shala. They are run by hydrofoil and motor ships and are used for passenger transport as well. In addition, passenger ships go on the route Petrozavodsk – Shala. Sailing is a popular activity on the lake and there is a sailing club in Petrozavodsk. Since 1972, every year at the end of July the lake has hosted the largest regatta in Russia ("") which is the Russian Open Championship in the Russian class of Cruisers Yachts "Open800". The regatta has international status. The largest city on the lake is Petrozavodsk – the capital of Republic
Lake Vozhe Vozhega and the Modlona. The lake freezes up in October - November (some parts freeze to the very bottom) and stays icebound until May. Administratively, the lake is divided between Kirillovsky District (west) and Vozhegodsky District (east) of Vologda Oblast. The northern shore belongs to Kargopolsky and Konoshsky District of Arkhangelsk Oblast, but the boundary between the oblasts is drawn such that the whole area of the lake is in Vologda Oblast. In terms of the area, Lake Vozhe is the third natural lake of Vologda Oblast (behind Lake Onega and Lake Beloye and just ahead of Lake Kubenskoye) and