Kargopolsky District subordinated to the central administration of Northern Krai. In 1936, the krai was transformed into Northern Oblast. In 1937, Northern Oblast itself was split into Arkhangelsk Oblast and Vologda Oblast. Kargopolsky District remained in Arkhangelsk Oblast ever since. The district is almost exclusively located in the basin of the Onega River, which is the biggest river in the district, and belongs to the basin of the White Sea. The source of the Onega is Lake Lacha, which is the biggest lake in the district. The northeastern shore of Lake Vozhe, also in the basin of the Onega, belongs to Kargopolsky
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