Melchnau, CH
The ruins of Grünenberg Castle, Schnabelburg Castle and Langenstein Castle are a complex of three interconnected castles on a hill above the municipality of Melchnau in the canton of Bern in Switzerland. The three castles formed the center of power of the Barons of Grünenberg in the Oberaargau regio
n during the High Middle Ages.
Listen to the audio guide for Burgruine Grünenberg Free on WIP — starts by itself when you arrive, even with the screen off