The Hölloch cave offers unforgettable adventures for outdoor lovers, families, companies, schools and other groups. Whether you choose to do a short tour or a longer expedition, we guarantee amazement!

With more than 200 km in length, the Hölloch is one of the world’s largest cave systems.

Adventurous or relaxing – let yourself get infected by the enthusiasm our expert cave guides bring across.
Discover how the water has carved its way relentlessly through nooks and crannies over close to a million years to finally create the cave we explore today on our various tours. Whether you choose to do a short tour or a longer expedition, we guarantee amazement!