Mertz Glacier

Mertz Glacier (67°30′S 144°45′E / 67.500°S 144.750°E / -67.500; 144.750Coordinates: 67°30′S 144°45′E / 67.500°S 144.750°E / -67.500; 144.750) is a heavily crevassed glacier in George V Coast of East Antarctica. It is the source of a glacial prominence that historically has extended northward into the Southern Ocean, the Mertz Glacial Tongue. It is named in honor of the Swiss explorer Xavier Mertz.

The Mertz-Ninnis Valley (67°25′S 146°0′E / 67.417°S 146.000°E / -67.417; 146.000 (Mertz-Ninnis Valley)) is an undersea valley named in association with the Mertz Glacier and the Ninnis Glacier.

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