Discover the fascinating world underground at the Haut-Martelange Slate Museum! Experience the history and techniques of slate extraction and immerse yourself in the new, fascinating "Johanna" visitor gallery. Experience the everyday life of slate workers at first hand!
This bunker from World War II, where deserted forced conscripts hid until liberation, can be reached via an approx. 1 km-long footpath. The walk is well worth it, as hikers near the bunker are rewarded by an impressive view over the Upper Sûre Lake.
