in the early 13th century. The eastern tower stands on the highest point of the hill and is almost completely destroyed. The tower was probably about with walls that were about thick. Only the south-east corner is still standing. It was probably built in the 12th century. Gallery See also List of castles in Switzerland Notes 1.Local tradition claims King Pepin (c. 714 – 24 September 768), father of Charlemagne as founder of the castle. References External links Trin Castles in Graubünden Ruined castles in Switzerland