Onega Peninsula Onega Peninsula The Onega Peninsula is located in Arkhangelsk Oblast, Russia. It protrudes into the White Sea, with Onega Bay to the south-west, and Dvina Bay to the north-east. The length of the peninsula is about , and the width varies between and . The coastal area of the peninsula is populated. The villages (counterclockwise) of Nyonoksa, Syuzma, Krasnaya Gora, Pertominsk, Unsky, Yarenga, Lopshenga, Letny Navolok, Letnyaya Zolotitsa, Pushlakhta, Lyamtsa, Purnema, and Nizhmozero are all located at or near the coast. The north-eastern coast of the peninsula is crossed by the Una Bay, a gulf in the Dvina Bay, which
Onega River Monastery on an island in the Lake Kozheozero. Some of the finest monuments of the northern wooden architecture are located in the basin of the Onega, including ensembles of Lyadiny, Saunino Pogost, Krasnaya Lyaga, and Bolzhaya Shalga. These monuments also suffer from the lack of protection and their number steadily diminishes. In fact, the majority of them have been lost. The river splits into the Big Onega and Little Onega Rivers from its estuary, but then these branches join again, forming a big flat island. It freezes up in late October - early December and stays under the ice until