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 Srecko Brodar. In the Stone Age was in the cave the hunting post. The place is very important paleontological and archaeological site. In the cave they dug up the skeletons and remains of 40 animal species, many of them were skeletons of cave bears. In addition, they found also found scrapers, stone milling tools, fireplaces, about 120 species of bone points and other. Spikes are very different in length, but are similar in form. Among these finds is the most prominent the oldest European needle. From the Potocka Zijalka Cave alos originates the whistle. Finds can be seen in the regional museum in Celje and partly in the exhibition in the restaurant First, which is situated before the Logar Valley. Potocka Zijalka Cave si famous by famous finds from the Stone Age among experts all over the world.

Zadlaska or Dante's Cave is situated in the region of the well-known Tolmin Gorge. If you are interested of the Tolmin Gorge only for the cave, then is the easiest way if you go to the cave just at the main road over the Devil's bridge. The cave is named by the village Zadlaz and is one of the many caves, by which were flowing off the waters of the Soca glacier. In the cave are three chamber rooms, the cave interlacement is 1140 metres long and 41 metres deep. In the beginning of the 14th century the patriarch Pagano della Torre in Tolmin hosted the poet Dante Alighieri, which had at that time visited the cave and find in it the inspiration for the Pekel (Hell) in his poem Bozanska komedija (Divine Comedy). After that poet the cave got the second name. It was first researched and drawn in the year 1922 by the members of the mountain club Krpelj and was later accommodated to the tourist visitors. It was deepen and they cut in the stairs. It was finally researched and drawn by the caving club Tolmin in the year 1977. In the cave you can see the endemic species of the beetle and there is also the bat, which is living here in the winter. Zadlaska (Dante's) Cave belongs to very demanding caves. For visiting you have to have the appropriate equipment and you need the attendance by the caving guide. You can look to the cave by yourself, but only for few metres.