Aletsch Glacier

The Alps' largest and longest glacier, lying in the Bernese Alps of south-central Switzerland. Covering an area of 66 square miles (171 square km), it is divided into the Great Aletsch (main) and the Middle and Upper Aletsch (branches). The main glacier is 15 miles (24 km) long and 1 mile (1.6 km) wide. It extends generally southward from the Concordia Platz (where several other glaciers meet) to