Otway Massif
Otway Massif is a prominent, mainly ice-free massif, about 10 nautical miles long and 7 nautical miles wide, standing at the northwest end of the Grosvenor Mountains at the confluence of Mill Glacier and Mill Stream Glacier. Surveyed and named by the Southern Party of the New Zealand Geological Survey Antarctic Expedition for P.M. Otway, who had wintered over at Scott Base and was a member of this party and the Northern Party during the summer of 1960–61.