Helperknapp, Italy
Hollenfels Castle (Luxembourgish: Buerg Huelmes; French: Château de Hollenfels; German: Burg Hollenfels), with a history dating back to the 11th century, is one of the castles located close to the River Eisch in the Valley of the Seven Castles in central Luxembourg. Today it is used as a centre for
activities for young people, including a nearby youth hostel.
Listen to the audio guide for Hollenfels Castle Free on WIP — starts by itself when you arrive, even with the screen off