The Calfeisental with the turquoise Gigerwald reservoir, ringed by the mountains of the Sardona region.

7 June 2026

Gigerwaldsee-Sardonnhütte-Pizza Donna / Piz Segnas / Trinserhorn

A big hike-and-bike high tour in the Calfeisental: from the Gigerwald reservoir to the Sardona hut and up Pizza Donna, Piz Segnas and Trinserhorn — in the heart of the UNESCO Sardona Tectonic Arena.

Details coming soon.

Hero image: Caumasee, CC BY-SA 4.0, via Wikimedia Commons.