Mount Deakin (84°40′S 170°40′E / 84.667°S 170.667°ECoordinates: 84°40′S 170°40′E / 84.667°S 170.667°E) is a prominent mountain in Antarctica, rising to 2,810 metres (9,220 ft), at the east side of Beardmore Glacier, just north of the mouth of Osicki Glacier. It was discovered by the British Antarctic Expedition, 1907–09, and named by Ernest Shackleton for Sir Alfred Deakin, Prime Minister of Australia, who had supported the expedition.