The 300 sq. kilometer area around the Piz Sardona shows the geological phenomenon of overlay - older rock strata are to be found above younger ones. They bear witness to the formation of mountains and to plate tectonics.
Lake Oeschinen, which lies above Kandersteg, is a pristine mountain lake, fed by the glacial brooks of the three-thousand-meter peaks of Blüemlisalp, Oeschinenhorn, Fründenhorn and Doldenhorn. People who love to swim, nature lovers and hikers can really enjoy themselves here.
The Greina Plateau lies between the cantons of Graubünden and Ticino. Even as early as the Roman era, important routes across the Alps led through this region. The plateau has remained an untouched jewel because it is still only reached on foot.