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The Postojna Cave Park is home to three world-famous wonders – Postojna Cave, Predjama Castle and the olms. Aiming to preserve and protect them, we consider a wider picture and act in a sustainable way.
Welcome to the world's most captivating cave with magnificent cave formations and diverse fauna. Take an unforgettable ride on Postojna Cave's underground train and experience a fascinating subterranean paradise shaped by tiny droplets over millions of years.
Postojna Cave Park Tickets. The Postojna Cave Park, with all its beauty and magnificence, offers an experience you will no doubt remember for years to come. Your visit to the Park will be even more unforgettable if you combine a Postojna Cave tour with other sights located very close to the cave.
What is a must see in Slovenia? Take a look at attractions in Postojna Cave Park! The biggest tourist cave in Europe and the largest cave castle in the world.
There is no need for your visit to start and end with a tour of Postojna Cave – the Postojna Cave Park offers a number of other interesting experiences and adventures. You can visit our baby dragons, travel back in time to the Middle Ages at the Predjama Castle or enjoy the interactive karst exhibition.
Visit the underground world and enjoy a one-of-a-kind experience, discover the mysterious animal world of Postojna Cave's baby dragons – the olms, become explorers of the karst world, or live your own medieval castle fairytale.
What to know before visiting Postojna Cave Park? Plan your visit of the best attractions in Slovenia. Postojna Cave and Predjama Castle are a must see.
Postojna Cave is open year-round, including on Sundays and public holidays. 90 Enjoyable Minutes, 5 Unforgettable Kilometres. Cave tours take about an hour and a half, during which you get to see about 5 kilometres of the cave. Part of the tour is done by train and just over a kilometre on foot.
Postojna Cave is the cradle of speleobiology as it is inhabited by over 150 species of cave-dwelling animals. Since they are almost impossible to see during a cave visit, you can meet them in the Vivarium – an underground zoo.
Cave under Predjama Castle. Under the castle, the Karst world formed the Cave under Predjama Castle, which spans four floors and is the second longest Slovenian cave. A section of the cave can be seen within a guided tour, while the rest is visited as part of adventure tours. Discover More
