The Surveying and Mapping Authority of the Republic of Slovenia,
State map in measure 1 : 1.000.000, 1995
Potocka Zijalka Cave is situated by the path from the mountain village Podolseva to the top of the Olseva mountain. Olseva is about 5 km long rocky ridge, which is the last part of the southern range of Karavanke. On the ridge goes the old regional frontier between Styria and Carinthia. Potocka Zijalka Cave is 115 metres long and from 20 to 40 metres wide karst cave, which was in 1928 discovered by Sreck ...