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Ljubljana: Postojna cave & Predjama castle small group tour

icon 6 hours Mobile ticket Free Cancellation
Tickets from € 70.00

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Visit two of Slovenia’s top attractions in one afternoon on this small-group, half-day tour from Ljubljana. Begin at Predjama Castle, perched on a cliff high above the beautiful Inner Carniola region. Explore the chambers and stairwells and learn about the castle’s most famous resident, Erazem of Predjama. Then, continue to Postojna Cave. Ride a mini-train deep into the famous cave and tour the ethereal network of stalactites, stalagmites and caverns with a local guide. Numbers limited to eight people, ensuring a personalized experience.  Postojna Cave is the best-known cave in the world. It is also the greatest tourist attraction in Slovenia and one of the world's largest Karst monuments and it is a must-see attraction when visiting Slovenia. You will start the tour with a unique and adventurous ride with a special train in one of the most diverse cave systems in the world, with 21 km of passages, galleries and magnificent halls, which offer an unparalleled experience of the underground world and a large diversity of underground animals – including the world-famous human fish (proteus anguinus). Beside Postojna Cave you will also have the chance to visit Predjama Castle. Our guide will show you this magnificent medieval castle perched high up in a vertical cliff in the idyllic village of Predjama. It is an interesting and romantic sight throughout the year: in the spring and summer its surroundings are abundant with blossoms and flowers, in the autumn it is clad in the colours of surrounding forests and it is at its most enchanting in the winter when the surrounding area is covered in snow.   
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  • Central Ljubljana meeting point
  • Comfortable transport by air-conditioned minivan
  • Professional English speaking guide 
  • Admission fees, meals and personal expenses.
  • Admission options:
  • Postojna Cave & Predjama Castle combined ticket: 41 € per person 
  • Postojna cave only: 29 € per person  
  • Predjama castle only: 18 € per person
Departure Point

Dalmatinova ulica 10, 1000 Ljubljana, Slovenia opposite City Hotel

Return Details

Dalmatinova ulica 10, 1000 Ljubljana, Slovenia opposite City Hotel

  • Predjama Castle, Postojna, Slovenia
    Tour of Predjama Castle
    60 minutes
  • Postojna Cave, Postojna, Slovenia
    Tour of Postojna cave
    90 minutes
  • Travelers should have at least a moderate level of physical fitness
  • Minimum numbers apply. There is a possibility of cancellation after confirmation if there are not enough passengers to meet requirements. In the event of this occurring, you will be offered an alternative or full refund.    
  • Not wheelchair accessible. 
  • Please keep in mind that there are quite a few stairs at the Predjama castle, but you would do that in a fairly slow pace.
  • Small group tour - up to 8 people per van. 
  • Warm and comfortable clothes and footwear are essential to visit the Postojna cave (temperature in the cave is 9°C / 48 Fahrenheit).
You can cancel up to 24 hours in advance of the experience for a full refund.
  • For a full refund, cancel at least 24 hours before the scheduled departure time.
  • If you cancel less than 24 hours before the experience’s start time, the amount you paid will not be refunded.
  • Any changes made less than 24 hours before the experience’s start time will not be accepted.
  • Cut-off times are based on the experience’s local time.
  • This experience requires a minimum number of travelers. If it’s canceled because the minimum isn’t met, you’ll be offered a different date/experience or a full refund.
Kim_C
18 Apr 2023
Another winner from Viator (our 3rd of the trip). We opted for a half day tour of the caves and castle as we already did the lakes a day before. The pace of the tour was like clock work. As soon as we arrived Postojna, we had ample time to marvel at the views before joining the train ride to enter the caves. The drive to the castle was likewise relaxed, and Tomas, our tour guide, gave insightful information about the towns that we passed along the way. We were back in Ljubljana in no time, and spent an easy afternoon to enjoy the city.
Kmilyy
04 Apr 2023
This tour is amazing, these caves are incredible and like no others I have ever seen. If you are considering doing this tour, don't hesitate, just book it! This company is wonderful and professional. We did three tours with them while in Ljubljana and they were all so fun and different.
Zsolt_N
19 Mar 2023
It was a great tour! The driver gave us a nice entertaining ride to and from the places, about the history of Slovenia and the places themselves. Thank you!
This tour in Croatia is organized by Slovenia Explorer

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We always double-check the availability with our local partners for each booking. Even though this is usually a swift process, it can take up to 24 hours. Once this process is completed you will receive your voucher or ticket by email. If our local partner is not able to confirm your booking we will offer you the best possible alternative. If the new date and/or time doesn’t fit your itinerary, we will reimburse the full amount paid.
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