White Sea Nos (Murmansk Coast, 39°47'E) and Cape Kanin". There are four main bays or gulfs on the White Sea. These bays connect with the funnel-shaped opening to the Barents Sea via a narrow strait called "Gorlo" (, meaning "throat"). Kandalaksha Gulf lies in the western part of the White Sea; it is the deepest part of the sea, reaching 340 metres (1,115 feet). On the south, Onega Bay receives the Onega River. To the southeast, the Dvina Bay receives the Northern Dvina River at the major port of Arkhangelsk. On the east side of the 'gorlo', opposite the Kola Peninsula, is
Port of Murmansk Arkhangelsk and St. Petersburg (later renamed Petrograd). However, after the blocking of the Ottoman Empire's straits of the Bosphorus and Dardanelles to outside shipping and blockading of the Baltic Sea port of St. Petersburg, the Russian Empire could only use the northern port of Arkhangelsk. This port had limitations: when winter presented itself, navigation and shipping of any sort came to a halt. Therefore, it was decided to build a new port. The chosen location was in Murmansk due to its ability to accommodate sea traffic year-round, proximity to existing communities and relative ease to connect it to the empire's