The Goldgrube (Gold Mine) on the mountain of the same name was an experimental mine with three tunnels and several shafts, probably dating back to Roman times but possibly also …
The former “Good Hope” mining tunnel on the nature discovery trail (Widschweinroute) is home to bats, toads, fire salamanders, newts, etc. All around there is a natural outdoor area. A little detour that is really worth it!