Aletschglacier (image) University of Zurich Caption The Aletschglacier in Switzerland is a typical valley glacier and the largest one in the Alps. Its volume loss since the middle of the 19th century is well visible from the trimlines to the right of the image. Credit Frank Paul, UZH Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.