UIS Commission on Karst Hydrogeology and Speleogenesis
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Karstbase Bibliography Database

Original article
Wolf, A.
105 jahre forschung am hölloch im mahdtal und seiner umgebung, bayern
105 years of exploration in the Hölloch and its surroundings, Bavaria
Hölloch im Mahdtal is currently Germany’s second longest cave. One branch of this system extends into the province of Vorarlberg (Austria). This article summarises the caving activities of the last five years since 2007, during which a total of 1400 m of new passages were surveyed.