Mer de Glace

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Mer de Glace (mĕr də gläs) [Fr.,=sea of ice], glacier (3.5 mi/5.6 km long; 16 sq mi/41 sq km), Haute-Savoie dept., E France, on the northern slope of Mont Blanc. It is formed by the junction of three smaller glaciers and extends a few miles NE of Chamonix. There are deep crevasses and high seracs (ice needles). The glacier is renowned for its majestic beauty and is a tourist attraction.