The most evocative and best preserved of Trentino, Thun Castle, austere and stately, is the harmonious union between a mighty fortification and an elegant noble residence with extensive gardens. One the home of the ancient and powerful Thun family from the Middle Ages to the 20th century, it is now a rare example of a furnished local noble residence with its original furniture and invaluable art collection.
Castel Thun is one of the most well preserved monumental civil-military buildings and one of the most interesting examples of castle architecture in Trentino. The Castle was built in the mid-13th century and it was the seat of the powerful Thun family. The castle is situated atop a hill 609 m. in a beautiful panoramic position. Typically Gothic structure, it is surrounded by a complex system of fortifications formed by towers, lunate bastions, moat and walkway; imposing the "Spanish gate" (1566) built with massive ashlar ashlars arranged in a radial pattern. Among the numerous rooms, still richly furnished, the most valuable is the "bishop's room" inhabited by prince-bishop Sigismund Alfonso Thun.