Sauna, infrared cabin and relaxing area. In our HOTEL AMALIENBURG you can relax and sweat-healthy! in our spa area with sauna, infrared cabin and relaxation area you find warmth, peace and relaxation, allowing you to lay aside your everyday life or stress and let your mind wander. A sauna is a dry hot-air bath. The humidity is very low. Saunas are heated up to 100 degrees Celsius, depending on the application and individual requirements.