EXCURSION: TO THE ROBBERS’ DEN! Halfway between Etterzhausen and Penk, above the Naab on the Jurasteig, there is a real robber’s cave! This cave was formed during the Jurassic period – flowing water slowly dissolved the limestone from the rock and formed the cave. It was probably already used by the Celts and served as a refuge for some. Because of the good view of the Naab, the cave was later a good starting point for raids. The cave is…