The Swiss Alps Jungfrau-Aletsch, a UNESCO World Heritage Site, are considered to be one of the most spectacular mountain landscapes in the Alps, particularly because of the impressive mountain range of which they are made up. With a total area of 824 km2, the Jungfrau-Aletsch site covers almost all of the Bernese Alps with its monumental rock massifs that extend over the singing territory of Bern and Valais. It represents the wonderful natural beauty of the Alps. The centre is formed by the powerful rocky massif of the Eiger, Mönch and Jungfrau and the glacial landscape around the great Aletsch glacier. On the southern slope of the Bietschhorn, the high mountain landscape is transformed into a rocky steppe of Mediterranean type due to its different levels of vegetation. This diversity of different landscapes and ecosystems blends into an overall picture of exceptional beauty. In addition, the World Heritage site meets three of the four UNESCO criteria for inscription on the World Heritage List, further highlighting the value of this landscape. In the Konkordiaplatz Charter, the 23 World Heritage communities declare that they will preserve this area in its aesthetic diversity and uniqueness for future generations.