Pools
Immerse yourself in our pools: thermal water pool, freshwater pool with retractable roof, saltwater pool and whirlpool
Premium wellness holiday in the Rottal spa triangle
Find your place of tranquility in our 3,000 m² spa and water world. Modern design, high-quality materials and a harmonious lighting concept create space for relaxation and well-being. Experience wellness on a new level.
From August 2026, Sonnengut will welcome you with a fully redesigned and expanded sauna area.
Opening hours for the Sonnengut spa area
Pool area: daily from 7:00 am to 9:00 pm
Sauna area: daily from 12:00 pm to 7:00 pm
Kelo outdoor sauna: daily from 1:00 pm to 8:00 pm
Highlights
What you can look forward to
To the pools
New sauna area
Relax in our new sauna area with steam bath, sanarium, Finnish sauna with Vitality Boost, tea and vitality bar with lounge
Relaxation room
250 m² relaxation area “Rottufer”, a place of silence and calm with views of the greenery
Treatments
Medical wellness, massages, beauty treatments, Ayurveda, hammam and feel-good treatments
Pool bar
Enjoy a refreshing drink or a light snack from our pool bar
Garden
3,000 m² garden area with sun deck and wooden deck with 60 loungers, lawn with Kneipp pool, day beds, boules court and barefoot path
Your way to relaxation
Discover the Sonnengut spa area at a glance. Our map shows you where to find your personal retreat – from the water and sauna world to our relaxation areas.
Sauna & Relaxation Area
Now new! Enjoy even more beautiful sauna moments and relaxation in our new sauna world
Our newly redesigned sauna world for 2026 offers even more space for warmth, peace and relaxation. Different saunas, cosy retreats and special infusions turn every sauna session into a delight. Experience lasting relaxation and enjoy soothing warmth in our modern wellness area.
Your own thermal spa right in the hotel
Why go far when the thermal spa is right here in the hotel? Our own thermal pool is freshly filled every day with the soothing Bad Birnbach healing water. A wonderfully relaxing 34°C warm and always close at hand.
Water fun & wellness all year round
Whether thermal water or fresh water: in our water world, you’ll find the right swimming experience for every season. In summer, the cabrio roof opens up and turns the fresh water pool into an outdoor pool under the open sky.
Relax and deeply unwind surrounded by greenery
Refresh yourself at the pool bar first, then enjoy wellness in the garden
Covering 3,000 m², our Sonnengut garden invites you to breathe deeply and unwind. Spacious lounging areas, the wooden deck by the outdoor pool, and cozy retreats offer plenty of room for a break in the open air. Let our green wellness oasis work its magic on you and recharge your batteries in nature.
Wellness means time for your body and well-being
Treat yourself to a soothing massage, a nourishing beauty treatment, or simply some time for yourself. Our treatments restore your energy and help you forget everyday life for a moment.
Good to know
Your questions about the spa area
The spa area at the Hotel Sonnengut covers around 3,000 square metres. This includes a thermal pool filled with Bad Birnbach thermal water at 34 degrees, a freshwater pool with a retractable roof, a brine pool, an indoor hot whirlpool, a large sauna area and the ‘Rottufer’ relaxation area.
The water park and relaxation area are open daily from 7.00 am to 9.00 pm, the sauna area daily from 12.00 pm to 7.00 pm, and the Kelo outdoor sauna from 1.00 pm to 8.00 pm. The fitness room is available to guests daily from 7.00 am to 10.00 pm.
Yes, use of the spa area, which covers around 3,000 square metres, is included in the room rate for hotel guests. Even on the day of arrival and departure, the wellness area can be used free of charge from 1.00 pm and until 6.00 pm respectively.
The water park is open to all guests of all ages, whilst the sauna area is restricted to those aged 16 and over out of consideration for other guests. This means that families can enjoy the pool area together, whilst the sauna area is primarily reserved for adults.
The Hotel Sonnengut offers a wide range of treatments, from classic massages and facials to manicures and pedicures. In addition, there is a medical wellness centre offering health-focused treatments and targeted health programmes.
The thermal water at the Hotel Sonnengut comes directly from the Bad Birnbach spring and is fed into the 16×16-metre thermal pool at a temperature of around 34 degrees. In addition, there is a separate brine bath and a fresh-water pool, allowing guests to choose between different water qualities.
Yes, the Hotel Sonnengut offers a day spa package for day visitors who are not staying overnight. This means that even non-hotel guests can enjoy the 3,000-square-metre spa area, complete with thermal baths and sauna facilities, for a day.
