In the Middle Ages, Grünenberg Castle was an impressive complex with mighty walls and towers. The barons of Langenstein founded the nearby St. Urban monastery in 1194 and built up …
Trachselwald Castle cannot be reached by public transport. Entry is free. But be careful! Trachselwald is not wheelchair accessible. Although parts such as the keep, the castle courtyard and the …
The Sumiswald Castle (schloss-sumiswald.ch) houses a large number of different professions and a B&B in the so-called sleeping castle. More current information is available from the above HP.