Katerloch, Limestone cave in Naas, Austria
Katerloch is a limestone cave in Naas with an extensive network of chambers and passages. The cave contains thousands of stalactites and stalagmites in various sizes and formations.
The cave was first documented and explored in 1899 by Adolf Mayer and later surveyed scientifically in 1908 by Hermann Bock. These early investigations laid the foundation for present-day understanding of the cave's structure.
The name comes from a local owl species, though German speakers often understand it differently as relating to a male cat. This linguistic mix-up is part of the local character of the place.
Visits are available by appointment only between April and October and tours last about two hours. To reach all areas, visitors must navigate a long staircase and should be in good physical condition.
One particularly remarkable stalagmite in the cave stands out for its extraordinary height and considerable size. This formation is among the largest of its kind in Europe and impresses visitors with its monumental scale.
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