Annual meeting of Austrian cavers: Speleo Pyhrn-Priel
Sporthotel Freunde der Natur Wiesenweg 7, Spital am Pyhrn100 years of the Association for Speleology in Upper Austria 75 years of the Association of Austrian Speleology (VÖH) The Association for Speleology in Upper Austria is pleased to invite you to the conference of the Association of Austrian … Continued