Autumn.Happiness | 04 October – 08 November 2026
When the Kleinwalsertal valley glows in golden colours, perhaps the most beautiful time for active moments of enjoyment in the mountains begins. Look forward to panoramic hikes, e-bike tours and impressive views of the first snow-capped peaks. Book your autumn holiday full of activity, nature and relaxation now.
Berg.wellness | 17 May - 07 November 2026
Your time out high above the valley: with a rooftop infinity pool, Relax.Spa, and alpine moments of indulgence that pamper body and soul. Whether alone, as a couple, or with friends – enjoy a wellness holiday in the mountains that revitalises you and leaves a lasting impression. Secure your feel-good moments now. All Sonnenburg inclusive services:
Motorbike.love | 14 May - 18 October 2026
The perfect starting point for Alpine passes, winding dream roads, and unforgettable tours through four countries. Experience the feeling of limitless freedom on two wheels and then enjoy pure relaxation at Sonnenburg with its rooftop infinity pool, wellness area, massage, and culinary highlights. Plan your motorcycle adventure in the Alps now.
Golf meets hiking | 14 May - 08 November 2026
Golf and hiking perfectly combined. Play on Germany's southernmost golf course in Oberstdorf and then discover the alpine mountain world of Kleinwalsertal. An active holiday with added value – including cable cars, impressive nature, and relaxing moments of pleasure. Ideal for those who want to stylishly combine sporting variety and relaxation.
Solo.Auszeit | 12 September – 8 November 2026
Ideal for anyone who wants to combine activity, relaxation, and new encounters. After eventful tours, the Rooftop Infinity Pool, Relax.Spa, and beneficial regeneration await you. Perfect for those who enjoy being active, meeting like-minded people, and recharging with inspiration.
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.
HIKE THE VALLEY | 5th – 10th October 2026
From 5-10 October 2026, a hiking festival awaits you with nature experiences, guided tours and shared summit moments. Three routes from Bronze to Gold invite you to enjoy the mountain world without time pressure – accompanied by music, culinary delights and special encounters. The Sonnenburg is your perfect base for relaxed and inspiring festival days.
Solo mountain getaway | 18.12.-27.12.2026 | 09.01.-05.02.27
Just imagine: you wake up in the heart of the Kleinwalsertal’s stunning mountain landscape, make your first tracks on the cross-country trail or the ski slope, and enjoy a day full of exercise, nature and wonderful encounters.After an active day, pure relaxation awaits you: the rooftop infinity pool with stunning mountain views, as well as the Relax Spa with saunas, a steam room and cosy relaxation rooms. The perfect combination of sport, indulgence and relaxation.
Cuddle time during Advent | 18 December – 23 December 2026
Treat yourselves to a romantic getaway during the most beautiful time of the year. Enjoy cosy hours for two, a wintery atmosphere, and relaxing moments full of indulgence. A special highlight awaits you with an atmospheric fondue evening – perfect for enjoying Advent together. Our wellness area and the snowy mountain world invite you to switch off and feel good.
Season Opening | 18 – 20 December 2026
Look forward to the best atmosphere at the legendary Ski Opening Party in Paul's Schirmbar, and sociable hours with friends and real winter feeling. Whether you're enjoying the first turns of the season, clinking glasses with friends, or simply want to spend a great winter weekend – you've come to the right place. Secure your spot and start a fantastic winter with us.