5 star rating: Highly Recommended 60 Reviews

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  • Location: Ljubljana, Slovenia
  • Duration:  6 hours (approx.)
On this day we take you to the biggest and worldwide known Slovenian cave system - the Postojna caves. A two million years old and 21 km long system of subterranean caves is one of the most easily accessible network of underground caves in the world. A ride by electrical train will be followed by a guided walk through a series of cave halls with drop stones, pillars and translucent curtains that create unforgettable impressions. The underworld system is a home of the mysterious, unique and rare amphibian Proteus Anguinus, or human fish as it is popularly called here.


  • Travel along the biggest Slovenian cave systems
  • Ride by electrical train through majestic cave halls
  • Learn about the caves 'underworld system'
  • See one of the most interesting baroque castles

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What You Can Expect

Postojna Caves and Predjama Castle Tour from Ljubljana

Admire the stalagmites inside Postojna Cave!

Only 9 km away stands one of the most interesting baroque castles of Slovenia, the Predjama castle. It hangs dramatically in the middle of 123 m high rocky cliff.

Customer Reviews

5 star rating: Highly Recommended June 2015

The tour of Postojna caves was a highlight of holiday and is a must, must see as these are the best caves in the world. Small group tour with a very good guide/driver. Highly recommend this tour if in Slovenia. Do not miss.

5 star rating: Highly Recommended May 2015

The tour has been great! We have seen very interesting and beautiful places. The guide Vladimir has been great as well. He has told historic issues with a good sense of humour, which has been quite interesting and fun. Thank you! Highly recommend.

From USD $ 76.61

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Tour code: 3312LJ_POS


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