At this point is the entrance to an old slate tunnel. Slate and hard coal have been mined at the same site since 1773. In 1868 the "Société forestière du …
This grotto was built by the inhabitants in recognition of the protection of the Holy Virgin during the last war, even though two children from the parish died in German …
I came across this tunnel entrance as part of a hike. Unfortunately, I wasn't able to explore the tunnel further at the moment because the water was ankle-high in the …