Starting from theHauptplatz/Piazza Principale in Auer, through the beautiful, historic labyrinth of alleys in the direction of the waterfall. Via the "Katzenleiter" hiking path steeply uphill to the beautiful "Leiterburg". Once there, a fabulous view over the entire valley awaits the hikers. On this historical site you will find old wall remains and traces of the former castle. The way back is via the "Lahnweg".