The Adler is a renovated 200-year-old hotel combining modern design with historic architecture. Rooms feature large beds, modern bathrooms, desks with ample workspace, free internet, safes and LED televisions, with some offering lake views. The attached Gasthaus serves traditional Bavarian and Swabian cuisine prepared from recipes passed down through ten generations. A bright, light-filled winter garden of around 100 square metres accommodates events such as family celebrations, weddings, and company functions, which can be arranged in combination with the Gasthaus dining room and terrace. The hotel is located in Nonnenhorn on Lake Constance.