Hünegg Castle is also located on the shores of Lake Thun and is somewhat concealed by trees and firs. Learn more about how people lived in the past. Its lavishly decorated interior has remained unchanged since 1900. Oberhofen Castle is located directly on Lake Thun. The romantic castle complex, with its Bergfried tower, which was constructed around 1200, has had many owners in its long history. The castle gained its present appearance after it was bought by the Neuchâtel-Prussian aristocratic family de Pourtalès in 1844 and converted into a summer residence. Sit in warmth and comfort In the Restaurant Schloss Oberhofen on the shore of Lake Thun and enjoy the panoramic views, no matter how cold it is outside.