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Postojna cave

Postojna Cave & Predjama Castle Tour Nature’s masterpiece and a castle straight out of a fairy tale – all in one unforgettable adventure!

Postojna Cave & Predjama Castle Tour

Nature’s masterpiece and a castle straight out of a fairy tale – all in one unforgettable adventure!

postojna cave

Step into a world of underground wonders and medieval legends with a tour to two of Slovenia’s most iconic sights – Postojna Cave and Predjama Castle.

Postojna Cave is not just any cave – it’s one of the most famous in the world! Ride a unique underground train into a stunning karst world carved by water over millions of years. Wander through gigantic chambers, marvel at sparkling stalactites and stalagmites, and meet the mysterious olm, also known as the "baby dragon" – a rare, blind cave-dwelling creature found only here. The experience is magical, cool (literally – bring a jacket!), and completely unforgettable.

predjamski grad

After the depths, rise to the cliffs with a visit to Predjama Castle, the largest cave castle in the world. Perched dramatically in a sheer rock face, this Renaissance fortress is filled with secret passages, hidden tunnels, and stories of rebellious knights. Most famous is Erazem of Predjama, Slovenia’s own Robin Hood, who defied the emperor from this very castle.

The mighty Predjama Castle has stood for over 800 years in the middle of a 123-meter-high rock wall. It is listed in the Guinness Book of Records as the largest cave castle in the world.

It is also associated with the legend of the robber knight Erasmus of Predjama, who, after a dispute with the Austrian Emperor Frederick III, successfully resisted the besiegers of the castle for over a year, until he was betrayed by one of his servants, who lit a candle in the window of Erasmus's room. This led his enemies to pelt him with stone balls. Erasmus's grieving girlfriend is said to have buried his body in the center of the village in front of the Church of Our Lady of Sorrows, and planted a linden tree over it, which still stands there today, known for its venerable age and hollow trunk.

Predjama Castle was first mentioned in 1274, when it was built by the abbots of Aquileia and given a Gothic appearance. It was later rebuilt by new owners from the Luegg family, whose most famous representative is Erazem Predjamaski. Predjama Castle is considered the only fully preserved cave castle in Europe, and with its famous location it offers a unique insight into the construction techniques and ingenuity of medieval people who sought refuge right at the entrance to the cave.

This mighty castle has been the setting for numerous documentaries and feature films. Among them, the most prominent are the documentary-reality series by members of Ghost Hunters International and the film Armor of God, in which the action movie hero Jackie Chan plays the main role. Inside the castle, you can see the renovated room of the main castle attic, which displays numerous replicas of weapons, from spears and halberds to swords, war hammers, bows and crossbows, and armor.

Whether you're a nature lover, a history buff, or just in it for the epic photos, this tour offers the perfect mix of natural beauty, mystery, and medieval charm.

Vrhnika - the town of Slovenian writer Ivan Cankar

On the tour, you'll learn about the locals' lives and the life of Ivan Cankar, a very important writer in Slovenian literature. You'll also visit his birthplace (interior tour) and the railway museum, which will take you on a historical journey through this region. The tour is provided by a Spanish- and English-speaking guide.


✅ Tour Includes:

  • Transport from Ljubljana or nearby towns
  • Entry tickets to Postojna Cave and Predjama Castle
  • Local guide with stories and fun facts
  • Optional extras: lunch stop, photo spots, and gift shop visits, Visit of the small town Vrhnika with local guide (+2 hours)

Duration: ~8 hours


Price: 151 EUR/person for all inclusive (Transport from Ljubljana, driver-guide, tickets for the Cave and the Castle with audio guide included, guided tour in Vrhnika, entrance in the museum Cankar's house, virtual museum back in time.) You can also choose parts of this package on the list below.

For bigger groups, we will arrange other offer depending on the number of visitors.

Contact information whatsapp number: +38641360387 or email: slovenia@blue-guides.eu

5 hours tour Postojna Cave and Predjama castle

Select the number of visitors to see the final price here.

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In case we can’t provide the tour, we will return money back in 3 working days.

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