
Postojna Cave & Predjama Castle from Ljubljana
Traveler rating
5.0/5
Based on 1 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Postojna Cave & Predjama Castle from Ljubljana worth booking?
Postojna Cave & Predjama Castle from Ljubljana is a 6-hour experience in Ljubljana, Slovenia, from $131 per person. It scores 50 out of 100 on the Outty Ranking, which we label “Worth a Look”, based on a 5/5 rating across 1 reviews. This booking is non-refundable, so pick your date carefully. Same-day spots are currently showing.
- Outty Ranking
- 50 / 100
- Rating
- 5/5 (1)
- Duration
- 6 hours
- From
- $131 per person
Meet an incredible creature, the olm, which lives inside these caves and is called “the human fish” (človeška ribica) in Slovenian due to its skin-like color. It has been nicknamed “the baby dragon” due to its visual similarities to the mythological beasts. This spectacular place below the surface has been visited for the last 200 years by over 38 million people from around the world.
What you get
About this experience
Meet an incredible creature, the olm, which lives inside these caves and is called “the human fish” (človeška ribica) in Slovenian due to its skin-like color. It has been nicknamed “the baby dragon” due to its visual similarities to the mythological beasts. This spectacular place below the surface has been visited for the last 200 years by over 38 million people from around the world.
What's included
Included
- Comfortable transportation
- Postojna Cave entrance fee
- English speaking guide
- Predjama Castle entrance fee
What you'll see and do
Postojna Cave
World-famous Postojna Cave.
60 minutes here · Admission included
Predjama Castle
Guinness record Predjama Castle.
60 minutes here · Admission not included
Where it starts and ends
Hotel pickup
Pickup is included for all travelers. Pickup begins about 15 minutes before departure.
Before you book
- Cancellation
- All sales are final. No refund is available for cancellations.
- Languages
- en
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 15 travelers per booking
- Operated by
- Day Trips Slovenia
Know before you go
- Not recommended for travelers with spinal injuries
- Not recommended for travelers with poor cardiovascular health
- Travelers should have at least a moderate level of physical fitness
Photos






Traveler reviews
1 verified traveler reviews for Postojna Cave & Predjama Castle from Ljubljana. Ratings and reviews provided by Viator and Tripadvisor.
Beautiful caves
Amazing experience, could not believe nature can make something like that. You can take your time in the cave, lasts quite a while. I also took some of the greatest photos of my trip in front of famos castle
Response from the operator: Thank you so much for your review! It was a pleasure meeting you and sharing our stories with you during your stay in Slovenia 🥰
via Tripadvisor
Good to know
- Duration
- 6 hours
- Free cancellation
- Non-refundable
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Hotel pickup
- Included for all travelers
- Booked in 30 days
- 0
- Verdict
- Worth a Look
Who runs this experience
Operated by Day Trips Slovenia, who run 7 experiences we rank across 3 cities, with an average Outty Ranking of 45.7.
See everything Day Trips Slovenia runsWhy this scores 50
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Postojna Cave & Predjama Castle from Ljubljana: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Ljubljana.
How much does Postojna Cave & Predjama Castle from Ljubljana cost?
+
Prices start at $131 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Ljubljana usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does Postojna Cave & Predjama Castle from Ljubljana take?
+
Plan for about 6 hours from start to finish, not counting travel to the meeting point. Most travelers leave another 30 minutes on either side so the rest of the day in Ljubljana is not rushed.
Is Postojna Cave & Predjama Castle from Ljubljana worth it?
+
It holds an Outty Ranking of 50 out of 100, which we label "Worth a Look". That score blends traveler sentiment (5/5 across 1 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable most popular in Ljubljana, and how flexible the cancellation terms are.
Can I cancel or reschedule Postojna Cave & Predjama Castle from Ljubljana?
+
No. This experience is sold on a non-refundable basis, so only book a date you are confident about. Similar experiences in the city do offer free cancellation if flexibility matters more than price.
Is Postojna Cave & Predjama Castle from Ljubljana suitable for kids and families?
+
Yes, all ages are welcome. Families should still weigh the 6-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Postojna Cave & Predjama Castle from Ljubljana?
+
Around 0 people booked this in the last 30 days, so popular slots go early. Two to three weeks ahead is comfortable in shoulder season, while summer weekends and holidays in Ljubljana can sell out a month out. Same-day spots do open up when other travelers cancel, so it is worth checking if you are already in town.
What should I bring or wear?
+
Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Ljubljana and add a light layer if any part of the 6-hour experience runs outdoors or after sunset.
Where does Postojna Cave & Predjama Castle from Ljubljana start and how do I get there?
+
The exact meeting point and directions are on your voucher once you book, and they sit in central Ljubljana within reach of public transport. Arrive 15 minutes early: late arrivals are treated as no-shows by most operators.
What are the best things to do in Ljubljana?
+
On Outty we rank every Ljubljana experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Slovenia in One Day: Small-Group Bled, Postojna Cave & Predjama, Postojna Cave and Predjama Castle - Entrance Tickets Included, Ljubljana Small Group Food Walking Tour. The city page groups everything into most popular, highest reviewed, last minute and family-friendly so you can build a day around what actually delivers.
When is the best time to visit Ljubljana?
+
Booking patterns follow the same curve: prices and queues climb in peak weeks, while shoulder season gives you better availability on the top-ranked experiences and more room to change plans.
How many days do you need in Ljubljana?
+
Three full days covers the headline sights without sprinting. A workable rhythm is one anchor experience each morning, such as this one, an unhurried afternoon in a single neighborhood, then a food or nightlife booking in the evening. Five days lets you add a day trip outside the city.
Do I book through Outty or through the operator?
+
Outty ranks and explains the experiences, then hands you to Viator to complete the booking with the operator directly. The price is the same as booking on Viator yourself, and Outty earns an affiliate commission on the referral, which is how the rankings stay free to read.
What is included in Postojna Cave & Predjama Castle from Ljubljana?
+
Included: Comfortable transportation; Postojna Cave entrance fee; English speaking guide; and Predjama Castle entrance fee. Always check the voucher for the final list before you travel.
Does Postojna Cave & Predjama Castle from Ljubljana include hotel pickup?
+
Yes, pickup is offered for every traveler from 19 listed pickup locations in and around Ljubljana. Be ready about 15 minutes before the start time. You can also enter a custom pickup address when booking.
What languages is Postojna Cave & Predjama Castle from Ljubljana offered in?
+
It runs in English. Pick your language when choosing a date and time, as not every departure runs in every language.
Will I get instant confirmation and a mobile ticket for Postojna Cave & Predjama Castle from Ljubljana?
+
Confirmation is sent by the operator after booking, usually within 48 hours; if it is not confirmed you are not charged. Mobile tickets are accepted, so you can show the voucher on your phone.
What happens to Postojna Cave & Predjama Castle from Ljubljana if the weather is bad?
+
This experience depends on good weather. If it is canceled because of poor weather, you are offered a different date or a full refund.
Ready to lock in your spot?
Pick a date, choose your group, and see the exact price for Postojna Cave & Predjama Castle from Ljubljana.
Pick your date




