Dvina Bay streams. There are many small islands in the Dvina Bay as well, the biggest being Mudyug Island. A national park, Onezhskoye Pomorye National Park, was open on the Onega Peninsula on 26 February 2013. The Dvina Bay is limited by the Onega Peninsula from the west. At the eastern side, the shore steeply rises to a plateau (White Sea - Kuloy Plateau) which drains east into the Soyana, a major tributary of the Kuloy. The Onega Bay shore is often referred to as "Letny Bereg" (Summer Coast), and the eastern shore of the bay is "Zimny Bereg" (Winter Coast). The
Primorsky District, Arkhangelsk Oblast in Plesetsky District. There are many roads around Arkhangelsk. The Northern Dvina is navigable, and there is regular passenger navigation upstream from Arkhangelsk. There is also regular, albeit infrequent, sea passenger navigation connecting Arkhangelsk with the settlements on the Onega Peninsula (including Pertominsk, Lopshenga, and Letnyaya Zolotitsa) which are not connected to the all-season road network. Arkhangelsk also has air connections with these settlements, as well as with Solovetsky Islands. There are two state museums in the district. The Malye Korely Open Air Museum is located approximately south of Arkhangelsk. It was created to protect the oeuvres of the Russian