Flat Top (84°42′S 171°50′E / 84.700°S 171.833°E) is a prominent ice-covered mountain, over 4000 m, with a broad, flat summit area, standing just east of the head of Osicki Glacier. It is the highest point in the Commonwealth Range in Antarctica. Named by the British Antarctic Expedition (1910-13) as being descriptive.
This article incorporates public domain material from the United States Geological Survey document "Flat Top (Ross Dependency)" (content from the Geographic Names Information System).