About This Tour
You will discover the underground world of Postojna Cave, the most popular karst cave in the world. The guided tour will consist of a journey by electrical train and will be followed by a walk through beautiful chambers and passages with spectacular drop stones, pillars, limestone curtains and other unforgettable formations. Continue to the idyllic village of Predjama where you will be amazed by the fairy-tale medieval Predjama Castle with its dramatic setting in the gaping mouth of a cavern, halfway up a hillside. Learn about the legend of the famous Erasmus – ‘Slovenian Robin Hood’ and return back to Ljubljana.
Final price may vary. Check availability for exact pricing.
Photo Gallery
Final price may vary. Check availability for exact pricing.
TopTours Insights
Postojna Cave and Castle Small-Group Day trip from Ljubljana
Let TopTours AI read the full tour details and generate a short insight about who this experience is best for and what stands out.
Calculating tour characteristics...
What's Included
What's Not Included
Additional Information
Meeting Point
By the water fountain in front of the hotel
Special Instructions
• Minimum numbers apply. There is a possibility of cancellation after confirmation if there is not enough passengers to meet requirements. In the event of this occurring, you will be offered an alternative or full refund The activity/tour is done with an English speaking professional tour guide.
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
Tour Operator
Roundabout Travel
Official supplier for this experience. Bookings are handled directly through Viator with verified partners.
Viator Certified
Trusted local operator
Are you the tour operator?
Get up to 15× more visibility by linking your tours together. Show travelers all your offerings on each tour page. Just one extra booking per month covers the cost. Starting at just $4.99/month.
Guest Ratings
Total review count and overall rating based on Viator and Tripadvisor reviews
Based on 101 verified reviews
Average rating
Frequently Asked Questions
Common questions about Postojna Cave and Castle Small-Group Day trip from Ljubljana
Who operates this experience?
This experience is operated by Roundabout Travel, a local cultural provider.
What's included?
This tour includes Air-conditioned vehicle, Panoramic drive, and Professional English speaking guide. Additional amenities and services are included. All inclusions are provided by the tour operator.
How long is this tour?
The experience lasts approximately 5.5 hours, giving you time to fully enjoy your chosen activity.
Can I cancel this tour?
Yes, you can cancel up to 24 hours before the scheduled departure time for a full refund.
What should I bring?
We recommend bringing comfortable walking shoes, a camera, and weather-appropriate clothing. All necessary equipment is provided.
Will I receive instant confirmation?
Yes, you'll receive instant confirmation when you book.
Is this tour worth it?
Yes, this experience has a 4.6-star rating based on 101+ reviews, making it a highly rated option.
What to expect on this tour?
This cultural experience lasts approximately 5.5 hours and includes all necessary equipment and guidance. You'll have access to Air-conditioned vehicle and more.
Ready to Go?
Book Postojna Cave and Castle Small-Group Day trip from Ljubljana
Secure your spot instantly through Viator and receive flexible cancellation options plus verified customer support.
Trusted partner • Instant confirmation