Hiking Highlight
This Highlight is in a protected area
Please check local regulations for: Geopark Schwäbische Alb
Is sometimes dry, e.g. on 11.11.2018, and "does not shout"
November 12, 2018
The boller runs only when it has Stark rain, it is said that lies above an underground lake, which then overflows
November 26, 2016
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