Immerse yourself in your very own thermal spa
Your great advantage: you don’t need to leave our wellness world to experience the healing power of our spring water. Our thermal bath with Bad Birnbach healing water and a Swarovski starry sky awaits you.
Let yourself drift and feel the soothing effect on your body. In the pleasantly warm 34 °C thermal water, tension melts away and pain is relieved.
Thermal Spa Opening Hours
daily from 7:00 am to 9:00 pm
Your Exclusive Healing Spa
Sonnengut Thermal World: Healing Water Meets Wellness


The heart of our 3,000 m² spa and water world is our 16 x 16 m thermal pool filled with the soothing Bad Birnbach healing water. The 34°C warm thermal water invites you to immerse yourself, switch off and relax. Beneath the sparkling starry sky of Swarovski crystals, bathing becomes a truly special experience.
Bad Birnbach Healing Water
What Makes Our Water So Special?


Warm, natural, special: Bad Birnbach thermal water comes from the Chrysanti and Konrad springs and rises from a depth of 1,618 metres at temperatures of up to 70°C. This makes it one of the warmest thermal mineral springs in Central Europe.
The healing effect of the thermal water can provide relief, especially for spinal, joint, muscular and rheumatic complaints. It relaxes the muscles, revitalises the senses and simply feels good all around.

How does the thermal water get to Sonnengut?
For more than 25 years, Sonnengut has been supplied with Bad Birnbach thermal water via its own pipeline. This allows the healing water to flow directly from the original source into our thermal bath. It is freshly supplied every day and a true benefit to your health.
Good to know
Your questions about the spa
The thermal water at the Hotel Sonnengut comes directly from the Bad Birnbach spring.
The thermal water at Bad Birnbach stimulates blood circulation, relieves muscle and joint pain and enhances general well-being. It also has a beneficial effect on the skin, which often looks fresher and more radiant after a bath in the healing water.
The thermal pool at the Hotel Sonnengut has a water temperature of around 34 degrees. There is also a saltwater pool at 33 degrees, an indoor pool at 28 degrees and an indoor hot whirlpool at 36 degrees to suit different preferences for water temperature.
Yes, through the Hotel Sonnengut’s day spa packages, guests who are not staying overnight can also use the thermal baths and the entire spa area for a day. These day packages are available between 9.00 am and 8.00 pm.
Your place of relaxation


