Derived from the technical difficulty and the stamina requirements.
From the bus stop in the centre of the village of Bronzolo continue south-east, past the tennis courts and always follow the signpost n. 6 to Bachkessler. Then continue downstream until you reach the junction to Lake Göller See (trail no. 17B and 17). Continue following the sign no. 17 up to the Rotwand point of view. Then continue towards the ruins of Burgstallegg, the second impressive vantage point (always following number 17). On the path no. 17 cross the main road and continue to junction 10A (Aldeiner Hof). At the next intersection take path no. 1 heading south-west towards Auer (railway). Continue towards Karnol, pass the Schlossberg and then follow the path with several steps down to the centre of Auer (path no. 1).