31.10.2025
When dusk falls and the old slate quarries are plunged into night-time shadows, a special atmosphere awakens: mysterious, spooky – and unforgettable.
✨ Highlights of the evening:
Come by – if you dare... ️
31.10.2025
Musée de l’Ardoise, Haut-Martelange
️ Regular admission | Guided tour & meal can be booked separately
Booking mandatory : +352 23 640 141 // .
Entrée principale, (CR311)
8823 Haut-Martelange
Friday, 31 October 2025 - 10h00
T : +352 23 640 141