Mawson Peak

Mawson Peak is an active volcanic mountain on Heard Island, an external Australian territory in the Southern Ocean. With its summit at 2,745 metres (9,006 ft), it is the second highest peak in any state or territory of Australia, surpassed only by the 3,490 metres (11,450 ft) Mount McClintock in the Britannia Range in Australian Antarctic Territory. An active complex volcano which erupted as recently as April 2013, Mawson Peak is the summit of the Big Ben massif.