Category Archives: Hölloch

Escape the summer heat


If temperatures above 30 degrees and more are too much for you, you will certainly feel right at home in the Hölloch. In the largest cave in Europe, constant temperatures of around 5 degrees with a humidity of almost 100 percent prevail throughout the year. More info on our summer tours

Hölloch winter expeditions 2019/2020

Expedition Wasserdom

Between November 2019 until mid March 2020, we can offer our popular full- or multi-day Hölloch expeditions again. These expeditions mostly take place on weekend days – and they will take place as of 5 – 6 participants already. Single persons or small groups can join already existing tours. Further information regarding the various options […]