Welcome to the Thermalquellen Resort! Take a deep breath – and enjoy the special advantages offered by the resort, including direct access to the largest open-air thermal baths in Switzerland and to the Spa Medical Wellness Center with its sauna complex and fitness facilities. Enjoy the superb views of the Rhine and the Black Forest from the panoramic restaurant on the 16th floor of the “Tower Hotel”. Guests can choose to stay in any of our three hotels.