Thun is a town near Lake Thun in the Bernese Oberland, a region in Switzerland. Thun Castle, which has towers, dates back to the 12th century and is located on a hill above the old town. It offers a wide view of the Alps. The 14th century town church has an octagonal tower and a baroque church hall. The Thun Panorama in the lakeside Schadaupark is a 360-degree painting of the city from the 19th century. Paddle steamers sail across Lake Thun to the resort of Interlaken.