Mertz Glacier

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Mertz Glacier (67°30′S, 144°45′E) is a heavily crevassed glacier in Antarctica, about 45 miles (72 km) long and averaging 20 miles (32 km) wide. It reaches the sea between Cape De la Motte and Cape Hurley where it continues as a large glacier tongue. The Mertz Glacier Tongue (67°10′S, 145°30′E) is about 45 miles (72 km) long and 25 miles (40 km) wide.

The glacier was discovered by the Australasian Antarctic Expedition (1911-14) under Douglas Mawson, who named it for Xavier Mertz, a member of the expedition who lost his life on January 7, 1913, on the far-east sledge journey

The Mertz-Ninnis Valley (67°25′S, 146°0′E) is an undersea valley named in association with the Mertz Glacier and the Ninnis Glacier