Experience a journey into the interior of the world .... discover the world of mining 3,000 years ago 150 m cleats and shafts with the old mine railway. Find interesting details about dismantling, tools and studs. Pit track with 600 mm gauge, track length over 2 km. Various mines, team cars and conveyor trolleys New !!! The KNAPPENWEG is an "over-day" educational trail - right next to the entrance into the tunnel - with which visitors are given an interesting overview of the regional mining history.