Lake Onega is relatively cold, with temperatures below for half of the year and average summer temperatures of about . The catchment area of drains into the lake via 58 rivers and more than 110 tributaries, including the Shuya, Suna, Vodla, Vytegra and Andoma. The only outgoing River Svir, which marks the southern boundary of Karelia, runs from the southwestern shore of Lake Onega to Lake Ladoga and continues as the Neva River to the Gulf of Finland. The White Sea–Baltic Canal runs through the lake from the White Sea to the Baltic Sea. The Volga–Baltic Waterway connects Onega Lake with the
Onega Peninsula one of the Kazakov's books of short stories is "Poedemte v Lopshengu" — Let us go to Lopshenga. The economy of the peninsula is based on the timber production and fishery. The village of Luda is connected by an all-season road to Severodvinsk and Onega. There is a boat ferry across the Una Bay. Other villages at the coast have infrequent air and sea connections to Onega and Arkhangelsk. A national park, Onezhskoye Pomorye National Park, was opened on the coast of the Onega Peninsula in 2013 to protect pristine forests. Onega Peninsula The Onega Peninsula is located in Arkhangelsk