Information only available in German
The Grimsel area forms the eastern border of the World Heritage Site. From the Grimsel Hospice and the Grimsel Pass Road, a hiking trail runs trough a dynamic mire landscape to the Aare glaciers north of the Grimsel Lake. These are the headwaters of the Aare River.
At a length of 22.6 kilometers and with a surface of 81.69 square kilometers, the Great Aletsch Glacier is the longest and biggest glacier in the Alps.