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Christmas in the Mountains | 22 – 27 December 2026

Our inclusive services for you: • 4 overnight stays* including Active Breakfast Buffet • Sonnenburg Indulgence Half Board** • Sonnenburg Merlot and Christmas biscuits upon arrival • Torchlight hike with mulled wine and festive menu on Christmas Eve • Use of the Relax.Spa with various saunas, steam bath, Kneipp pool, relaxation rooms, and much more • Use of the new, heated rooftop infinity pool with 360° mountain panorama • Bathing bag with fluffy bathrobes & towels in your room upon arrival – for the duration of your stay • Yoga (subject to availability) • Free travel on the ski bus – stops directly at the hotel • Lockable ski boot room

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.

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.

Solo.Break | 7th – 20th June | 12th Sept. – 8th Nov. 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.

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: 

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.

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.