In addition to some open slate quarries, not far from the path is the entrance to a cave in which slate was also mined. Immediately after the very low entrance, …
From the paved bike path you can see the entrance to the tunnel, which you can easily reach through a ford a little further down the stream. The tunnel leads about 60 meters into the mountain.
Above the district of Layenkaul (= digging for stones) there is a former pit with 2 tunnels on the slope of the Kahlenberg. Above the large heap of rubble there are still a few foundation walls of the mine buildings.
At the foot of the rock wall rising north of the town center, behind the restaurant (formerly Pizzeria La Bella), there are two tunnel mouths, each of which initially leads …