Cape Vostok is a rocky mass which forms the west extremity of the Havre Mountains

Havre Mountains

Havre Mountains are mountains forming the northwest extremity of Alexander Island, extending 20 nautical miles in an east-west direction between Cape Vostok and Russian Gap. First seen in 1821 by a Russian expedition under Bellingshausen and resighted by the Belgian Antarctic Expedition, 1897-99...

 and the northwest extremity of Alexander Island

Alexander Island

Alexander Island or Alexander I Island or Alexander I Land or Alexander Land is the largest island of Antarctica, with an area of lying in the Bellingshausen Sea west of the base of the Antarctic Peninsula, from which it is separated by Marguerite Bay and George VI Sound. Alexander Island lies off...

. First seen by the Russian expedition of 1821 under Bellingshausen. Mapped in detail from air photos taken by the Ronne Antarctic Research Expedition

Ronne Antarctic Research Expedition

The Ronne Antarctic Research Expedition was an expedition from 1947-1948 which researched the area surrounding the head of the Weddell Sea in Antarctica.-Background:...

 (RARE), 1947–48, by Searle of the Falkland Islands Dependencies Survey (FIDS) in 1960. Named by the United Kingdom Antarctic Place-Names Committee (UK-APC) for the sloop Vostok, commanded by Bellingshausen.