Walser Trail Challenge | 23–27 July 2026
Spectacular mountain trails, sporting challenges and genuine trail running moments in the Kleinwalsertal valley. The Walser Trail Challenge covers distances from 15 to 78 km through the impressive alpine landscape. Sonnenburg is your ideal base camp for relaxation, enjoyment and recovery. Perfect for those who want to combine peak athletic performance with a relaxing break.
4=3 Alpine Spring | 16 May – 16 June 2026
When the meadows bloom in vibrant colours and fresh herbs fill the mountain air, 4 nights await you in the blossoming nature of the Kleinwalsertal valley. Experience the Alps in spring at their finest. Treat yourself to your refreshing break in the mountains now. Our inclusive services for you: