Heard Island and McDonald Islands Marine Reserve has 29 named peaks. The highest is Mawson Peak (Big Ben) at 2,745 m. Other notable peaks include Dome, Mawson Peak and Fremantle Peak.
There are 29 named mountains in Heard Island and McDonald Islands Marine Reserve. The highest and the most prominent mountain is Mawson Peak (Big Ben).

The highest peak in Heard Island and McDonald Islands Marine Reserve is Mawson Peak (Big Ben), at 2,745 m.
Notable peaks in Heard Island and McDonald Islands Marine Reserve include Mawson Peak (Big Ben), Dome, Mawson Peak, Fremantle Peak and Campbell Peak.
