The Glarnerland Visitor Centre, with its two locations in Glarus (in the Nature Centre, train station building) and Elm (in the old school building, Sandgasse 1, ...
Champions League of natural values
The Tectonic Arena Sardona is one of only 200 UNESCO World Heritage sites and, from a geological perspective, one of the most ...
History
Just beneath the ridge of the Tschingelhörner, at an altitude of 2,600 metres, the famous Martinsloch opens up. This strange, almost triangular opening, ...
In the legendary Martinsloch, two zones of weakness intersect: a soft, flat-lying, dark marl layer and a steeply standing fault surface. In this area, erosion was ...