The Grasslhöhle is located about 150m right above the old source building of the Fürstenbrunner source on Untersberg. The way there begins at the Untersbergmuseum in Fürstenbrunn, Kugelmühlweg (parking) from there Ziehweg to wild feeding (about 10 minutes) at the Wildfeetterung sharp right the Ziehweg slightly uphill further about 10 minutes to the source building from the 19th century.
30 meters before the source is on the left a small dilapidated hut. Directly between the hut and the path there is a deep cave shaft, which is surrounded by a metal railing, the so-called Karl's Ear. It has a very narrow access (slip) from below the path, from the gorge. The Karlsohr is often used for letting rituals by throwing down a stone that is covered by what you want to let go.
December 7, 2016
The Grasslhöhle is known for the energetic forces that are supposed to work here. The creek nearby has so much clear water that it used to be taken by mounted leaders for the bishops in Salzburg. The water comes from the Untersberg and has a constant temperature of 4 - 5 degrees. With thunder roars down the valley.
July 11, 2018
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