Blautopfhöhle, Germany
For more information about the Blauhöhle-Exploration Project, please visit the Webpage of the ARGE Blautopf Group
Caves - Sauerland, Germany
Olgahöhle (Tufa Cave)
Wimsener Höhle, Germany
Wulfbachquellhöhle, Germany
Caves around the upper Danube -Valley, Swabian Alb - Germany
Herbstlabyrinth-Adventhöhle-System, Germany
For more information about the Herbstlabyrinth-Adventhöhle-System, please visit the webpage of the SAH
Various caves - Germany
