Thun is a town near Lake Thun, in Switzerland’s Bernese Oberland region. Turreted Thun Castle, from the 1100s, stands on a hill above the old town. It has sweeping views of the Alps. The 14th-century City Church has an octagonal tower and a baroque hall. Thun Panorama, in lakeside Schadau Park, is a 19th-century, 360-degree painting of the town. Paddle steamers cruise Lake Thun to the resort town of Interlaken.