The Morteratsch Glacier is the largest glacier by area in the Bernina Range of the Bündner Alps in Switzerland.

The Bernina Range is a mountain range in the Alps of eastern Switzerland and northern Italy. It is considered to be part of the Rhaetian Alps within the Central Eastern Alps. It is one of the highest ranges of the Alps, covered with many glaciers. Piz Bernina, its highest peak, is the most easterly four-thousand-metre peak in the Alps. The peak in the range which sees the most ascents is Piz Palü.