Trip Planner: Europe / Slovenia / Inner Carniola Region / Postojna / Planina Cave

Planina Cave, Postojna

4.8

#4 of 7 in Parks in Inner Carniola Region

Cave · Hidden Gem · Nature / Park

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Planina Cave (Slovene: Planinska jama), formerly also Little Castle Cave (Malograjska jama) after Little Castle in the vicinity of its entrance, is one of the longest Slovenian active caves. It is a huge tunnel and the subterranean bed of the Unica River. It is located in Inner Carniola. Five hundred meters from the entrance into the cave is a confluence of two underground rivers: the Pivka River, flowing from the Postojna Polje through Postojna Cave, and the Rak River, flowing to Planina Cave through Weaver Cave from Rak Škocjan. This is one of the largest confluences of subterranean rivers in Europe.
Entrance into the cave is at the southwestern part of Planina Polje in the gable end valley below 65 high rocks. The length of the cave is 6,656 m (21,837 ft). It has been shown by water tracing that there is a connection between the systems of Planina Cave and Postojna Cave, and the administration of Postojna Cave estimates the connection will also be explored by cavers. The length of the joint system would be over 31 kilometres (19 mi).

For travelers who use our world travel planner, Postojna holidays become easier to arrange, with trips to the Planina Cave and other attractions mapped out and timetabled.
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Tours to Planina Cave

FROM $114 BOOK WITH VIATOR Adventure in Planina cave Adventure in Planina cave

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Duration: 4 hours

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Planina Cave reviews

TripAdvisor traveler rating

19 reviews

Google

4.7

By Mazdafahrer

Interesting cave with endemic life (we were lucky to see them), some facilities would be expected concerning the ticket you have to pay (not too expensive).

Interesting cave with endemic life (we were lucky to see them), some facilities would be expected concerning the ticket you have to pay (not too expensive). more »
By Milou040622

We have made the boat tour (4 hours). We were only two with our guide, what an amazing way to visit a cave ! (in the dark, only with our flashlights, paddeling wirh big boat, climbing on muddy rock...

We have made the boat tour (4 hours). We were only two with our guide, what an amazing way to visit a cave ! (in the dark, only with our flashlights, paddeling wirh big boat, climbing on muddy rock... more »
By Roni S

Did the 6 hrs. tour with Zvonko. Nothing short of Amazing!!! As opposed to all other overcrowded caves- We had the cave to ourselves (with 1 more family). Got our gear (Boots, Overall, Helmet...

Did the 6 hrs. tour with Zvonko. Nothing short of Amazing!!! As opposed to all other overcrowded caves- We had the cave to ourselves (with 1 more family). Got our gear (Boots, Overall, Helmet... more »

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By Sally Ainsworth

We took a 5 hour boat tour and our guide, Dejan, was excellent! He put a lot of effort into finding what we were interested in seeing so that we didn't miss anything. We had so much fun and will never forget this experience. Bear in mind that this tour requires good fitness and surefootedness (part of the trek is over slippery wet clay). Some basic experience with rowing is also necessary.

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By Tomaž Jančič

Beautiful water cave which houses Europe's largest convolution of underground rivers. Inside this cave, river Rak from Rakov Škocjan joins with river Pivka from Postojna cave and together they form river Unica which then flows across Planina field and disappeares underground again.

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By Mihael Raveggi

Unique experience on the adventurous side. Not for those looking for a gift shop, as you have the entire cave system to yourself. The boat tour requires a good level of fitness as the 5-6h are not exaggerated. Well worth it and we had a great guide.

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By Natcha PLENGKHWAMDEE

Free entrance outside, beautiful cave with emerald color water.

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By Christoph Rößing

Really great exploring experience! Ask for the paddling Tour. It takes 4-6 hours and starts at 5 PM. Make a Phone call first (they speak English, Italiano and german) if a Tour is sheduled and a free spot is available. For standard Tour follow the Website.

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