The Masson Range is a high broken chain of mountains, consisting primarily of the North Masson, Central Masson and South Masson Ranges and the Trilling Peaks, forming a part of the Framnes Mountains. Having several peaks over 1,000 metres (3,300 ft), the range extends in a north–south direction for 15 nautical miles (28 km). It was discovered and charted by the British Australian and New Zealand Antarctic Research Expedition, 1929–31, under Douglas Mawson, and named for Professor Sir David Orme Masson, a member of the Advisory Committee for this expedition as well as the Australasian Antarctic Expedition, 1911–14, also under Mawson.