Stalactite richest cave in Austria
The Katerloch
Let yourself be carried away into an underground world and learn everything there is to know about the cave and the researchers who dedicated their lives to it.
In one of the largest halls, the Hall of Imagination, which is now comfortably accessible through an intricate ladder and step system, expressive figures, fine sinter corals, gossamer thin, white and colored curtains, crystal clear crystals, and sparkling crystal columns are present amidst a true jungle of around 4000 large stalactite structures. Massive limestone formations and numerous bone finds from bears create the image of a prehistoric era untouched by humans.
The Katerloch cave was presumably known even earlier than the nearby Grassl Cave, which was discovered around 1750 after its entrance had been broken open by a tree and was first mentioned in 1816. In comparison, the entrance to the Katerloch (20 meters wide, 10 meters high) was significantly larger and easily recognizable from the outside.
The wealth of stalactites in perfectly beautiful forms
From the Hall of Imagination, one reaches the major discoveries of the year 1955, the Magic Realm and the Lake Paradise, whose diverse and bizarre shapes are hardly describable in words. At the lowest point, alabaster-white stalagmites and sinter islands rise from the turquoise-green shimmering water surface of an underground lake landscape, surrounded by lavish shore walls. Like an oversized script, the beauty of the cave is completed here. The sight of eternal creative forces provides the visitor with joyous contemplation, allowing everyday life to be forgotten and stimulating meditative thinking.
The cave researchers Hermann and Regina Hofer
The research couple Hermann and Regina Hofer lived, experienced, and worked for one and a half years during the initial development phase of the cave at a temperature of 5° Celsius, with 98 % humidity, and 100 meters below the earth's surface. Together, they dedicated 50 years of their lives to the “Katerloch Project.” Their steadfast belief in their goal was what drove them to move hundreds of tons of rock with their bare hands to “raise” this underground treasure.
Regina Hofer passed away in 1995 at the age of 83.
Hermann Hofer died at the age of 95 in 2003.
Two years before his death in 2003, Hermann Hofer transferred responsibility for the research site Katerloch to Mag. Fritz Geissler.
Opening times
| Monday | 10:00–18:00 |
| Tuesday | 10:00–18:00 |
| Wednesday | 10:00–18:00 |
| Thursday | 10:00–18:00 |
| Friday | 10:00–18:00 |
| Saturday | 10:00–18:00 |
| Sunday | 10:00–18:00 |
April to October
Guided tours ONLY by PHONE REGISTRATION (Tel. +436644853420)
Price:
Entry Fee:
Adults: € 25,- per person
Children/Youth: € 20,- per person
Payment in cash on site
Discount with Family Pass:
Minus € 5,- per family pass if at least 1 child is accompanying
Group Booking Discount (Clubs etc.):
€ 22,- per person: for 25 jointly booked and paid entries
€ 18,- per person: for school classes and similar minor groups (e.g. scouts, children's groups, summer camps)
Directions
Route from Weiz (approx. 11km - 25 min.)
Weiz-South/Circle - Follow signs to Katerloch/Grasslhöhle - Weiz/Main Square - Göttelsberg - Turn off to Leska - Haselbach - Dürntal - Turn off Katerloch/Grasslhöhle - Katerloch
Route from Passail (approx. 11km - 25 min)
Passail/Main Square - Direction Weiz - Turn off to Haufenreith - Direction Weiz - before Dürntal - Turn off Katerloch/Grasslhöhle - Katerloch
Coordinates
Recommendations nearby
The Naas Cave Trail is a circular hiking trail that starts at the Dürntalwirt inn and passes by both the Grassl Cave and the Katerloch Cave.
Circular hike with starting point at the Dürntalwirt inn to the Gössersattel with connection to the Lärchsattel. Fantastic views guaranteed.
The 125-kilometer-long Austrian-Hungarian Alpannonia starts from the Alpine mountains and leads through the hilly region to the Pannonian Plain.
The Naas Cave Trail is a circular hiking trail that starts at the Dürntalwirt inn and passes by both the Grassl Cave and the Katerloch Cave.
Circular hike with starting point at the Dürntalwirt inn to the Gössersattel with connection to the Lärchsattel. Fantastic views guaranteed.
The 125-kilometer-long Austrian-Hungarian Alpannonia starts from the Alpine mountains and leads through the hilly region to the Pannonian Plain.

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