
Postojna Cave & Predjama Castle excursion - Entrance fee included
Traveler rating
4.8/5
Based on 48 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Postojna Cave & Predjama Castle excursion - Entrance fee included worth booking?
Postojna Cave & Predjama Castle excursion - Entrance fee included is a 5-hour experience in Trieste, Italy, from $231 per person. It scores 75 out of 100 on the Outty Ranking, which we label “Strongly Recommended”, based on a 4.8/5 rating across 48 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 75 / 100
- Rating
- 4.8/5 (48)
- Duration
- 5 hours
- From
- $231 per person
Dear Guest! Embark on a special tour to Postojna Cave and Predjama Castle, immersing yourself in the natural and historical wonders of Slovenia. Begin your journey with drive through countryside and later exploring t
What you get
About this experience
Dear Guest! Embark on a special tour to Postojna Cave and Predjama Castle, immersing yourself in the natural and historical wonders of Slovenia. Begin your journey with drive through countryside and later exploring the Predjama Castle, an architectural marvel nestled within a cliffside cave. Discover the castle's intriguing history as you explore its hidden passages, grand halls, and medieval living quarters. Afterward, dive into the underground realm of Postojna Cave, with its mesmerizing stalactite formations and vast chambers. Experience the thrill of a train ride through the cave's depths, followed by a guided walk that reveals the secrets of this extraordinary subterranean world. This special tour provides a unique opportunity to witness the natural beauty of Postojna Cave and the rich heritage of Predjama Castle in a single day. Immerse yourself in the captivating stories and marvel at the stunning sights that make these two destinations truly exceptional.
What's included
Included
- Small group tour tailored to your pace – no rushing, no large crowds
- A smooth, well-organized journey designed for couples, families, or small groups
- Entrance fees
- Bottled water
- Locals who share insights, stories, and tips beyond the typical tourist path
- In-vehicle air conditioning
- The world-famous Postojna Cave and the dramatic Predjama Castle in one tour
What you'll see and do
Predjama Castle
Predjama Castle, also known as Predjamski Grad, is a magnificent medieval fortress situated in the picturesque countryside of Slovenia, near the village of Predjama. What sets Predjama Castle apart is its extraordinary location, built into the mouth of a large cave on a towering cliff. The castle's history dates back to the 13th century when a small fortress was constructed on the site. However, the castle, as it stands today, is mainly the result of renovations and expansions carried out in the 16th century. The castle has a rich and intriguing history, filled with legends and tales of knights, sieges, and hidden passages. The architecture of Predjama Castle is a captivating blend of Renaissance and Gothic styles. Exploring Predjama Castle allows visitors to immerse themselves in the medieval atmosphere, walk through its ancient corridors, and imagine the lives of its past inhabitants.
120 minutes here · Admission included
Postojna Cave
Postojna Cave, located in Slovenia, is a mesmerizing natural wonder that attracts numerous travelers from around the world. Upon entering the cave, visitors will be immersed in a breathtaking underground world of stunning geological formations, vast chambers, and intricate tunnels. The train ride begins near the entrance of Postojna Cave. Visitors board a small electric train that is specially designed to navigate the cave's narrow passages. During the train ride, visitors have the option of listening to an audio guide or a guide's commentary, available in multiple languages. This provides valuable information about the cave's geological wonders, history, and the unique ecosystem found within. After a captivating journey through the cave, the train eventually returns to the starting point near the entrance. From there, visitors can continue their exploration on foot, exploring more of the cave's wonders at a leisurely pace.
180 minutes here · Admission included
Where it starts and ends
Hotel pickup
Pickup is included for all travelers.
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- ar, de, ru, ko, cmn, uk, ja, en, it, pl, fr, tr, es
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 8 travelers per booking
- Operated by
- Dtour
Know before you go
- Public transportation options are available nearby
- Infants are required to sit on an adult’s lap
- Suitable for all physical fitness levels
Photos






What travelers are saying
Outty’s summary of the themes that recur across 48 traveler reviews. Written by us, not quoted from reviewers.
The guide
8 mentionsTravelers single out the guide as the reason the experience works.
Knowledge and storytelling
3 mentionsReviewers describe the commentary as informative rather than scripted.
Organization
2 mentionsPickup, timing, and logistics are described as running smoothly.
Pace and timing
2 mentionsSeveral reviewers comment on how the schedule is paced.
Traveler reviews
48 verified traveler reviews for Postojna Cave & Predjama Castle excursion - Entrance fee included. Ratings and reviews provided by Viator and Tripadvisor.
Great Tour
Small group (there were actually just the two of us) was the way to go! Quite ride and we had plenty of time to enjoy the venues. Highly recommended. David Petan was our guide and he did a wonderful job!
via Viator
Nice Day in Slovenia I
Caves were unbelievable, and the castle is great. Just wish the castle was a little bit more original and didn’t have so many modern tweaks to make it tourist friendly kinda takes away from the authenticity of the time period. We had a little misunderstanding of the time of the tour in the beginning, but after a couple hours on the phone with Viator, it was figured out, and they rectified the misunderstanding and took us later in the day. The driver and guide was a nice guy, but his speedometer hit 157 km which is high 90s in mile per hour. I understand he knows the roads really well but everyone in the car was a little nervous.
via Viator
David was an outstanding...
David was an outstanding guide for our Postojna Cave and Predjama Castle tour. He was flexible with our group’s pace, clearly knew the history inside and out, and genuinely went above and beyond to make sure we got the most out of both stops. He made the drive between sites just as enjoyable as the cave and castle themselves, sharing context and stories along the way rather than just shuttling us between stops. If you’re booking this tour, ask for David, he elevated the whole experience
via Viator
Great way to spend a day;...
Great way to spend a day; the castle was very interesting; the cave and train ride is spectacular but come prepared with a coat because it is cold in the caves
via Viator
Cave
This was one of the highlights of my time in Slovenia. Postojna Cave is absolutely breathtaking—photos don't do justice to the scale and beauty of the underground formations. Predjama Castle is equally impressive, with its incredible setting built directly into the face of a cliff. Together they make for an unforgettable day. What really made this tour exceptional, though, was our guide. He was knowledgeable, engaging, and, most importantly, incredibly flexible. He went out of h his way to accommodate the group's interests and pace, making sure everyone had a great experience rather than rushing us from one stop to the next. That personal touch made all the difference. The transportation was comfortable, everything was well organized, and having the entrance fees included made the day completely hassle-free. If you're visiting Slovenia, I highly recommend this tour. It's an outstanding way to experience two of the country's most iconic attractions. Five stars!
via Viator
Good to know
- Duration
- 5 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Price range
- $231 to $330
- Hotel pickup
- Included for all travelers
- Booked in 30 days
- 17
- Verdict
- Strongly Recommended
Who runs this experience
Operated by Dtour, who run 3 experiences we rank across 1 city, with an average Outty Ranking of 56.5.
See everything Dtour runsWhy this scores 75
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Postojna Cave & Predjama Castle excursion - Entrance fee included: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Trieste.
How much does Postojna Cave & Predjama Castle excursion - Entrance fee included cost?
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Prices start at $231 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Trieste 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 excursion - Entrance fee included take?
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Plan for about 5 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 Trieste is not rushed.
Is Postojna Cave & Predjama Castle excursion - Entrance fee included worth it?
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It holds an Outty Ranking of 75 out of 100, which we label "Strongly Recommended". That score blends traveler sentiment (4.8/5 across 48 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Trieste, and how flexible the cancellation terms are.
Can I cancel or reschedule Postojna Cave & Predjama Castle excursion - Entrance fee included?
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Yes. Cancel free up to 24 hours before the start time for a full refund. Inside that window the booking is non-refundable, and no-shows are not refunded.
Is Postojna Cave & Predjama Castle excursion - Entrance fee included suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 5-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Postojna Cave & Predjama Castle excursion - Entrance fee included?
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Around 17 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 Trieste 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?
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Bring photo ID, your booking confirmation on your phone, a refillable water bottle and comfortable shoes. Dress for the weather in Trieste and add a light layer if any part of the 5-hour experience runs outdoors or after sunset.
Where does Postojna Cave & Predjama Castle excursion - Entrance fee included start and how do I get there?
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The exact meeting point and directions are on your voucher once you book, and they sit in central Trieste 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 Trieste?
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On Outty we rank every Trieste experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Trieste: Unique Food Tour with Local Flavors and Tastings, Prosecco Origins Wine Experience, Private Trieste Sightseeing 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 Trieste?
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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 Trieste?
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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?
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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.
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