In ancient times, goblins and forest shrubs lived on the Oberehrendinger Steinbuck, called "s’chlyne Volch" or "Heidevolch" by the locals. People told each other that …
The Erdmannliloch in the Bachsertal is not just a small cave in an impressive Nagelfluhwand.
Because the remains of the wall come from the Grottenburg Hohfluh, which is the only known cave castle in the canton of Zurich.
Nagelfluh Cave. Reachable via Single Trail from Gebenstorfer Horn. Contrary to the note on the trail sign, the path / trail also leads down from the cave.