
Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle
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September 2026
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Who is going?
Adults
Age 13 and over
Children
Age 12 and under
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Free cancellation up to 24 hours before. Same price on Viator, Outty earns a commission.
Traveler rating
5.0/5
Based on 2 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle worth booking?
Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle is a 12-hour experience in Zagreb, Croatia, from $332 per person. It scores 62 out of 100 on the Outty Ranking, which we label “Solid Choice”, based on a 5/5 rating across 2 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 62 / 100
- Rating
- 5/5 (2)
- Duration
- 12 hours
- From
- $332 per person
Discover the biggest gems of Croatia’s neighboring country - Slovenia. Start your day with the capital Ljubljana, an enchanting town that will win your heart immediately. Your next destination is the most visited Europea
What you get
About this experience
Discover the biggest gems of Croatia’s neighboring country - Slovenia. Start your day with the capital Ljubljana, an enchanting town that will win your heart immediately. Your next destination is the most visited European cave – Postojna cave. There you will soak up some mesmerizing views of underground karst life. Continue to one of the most impressive castles you will see that is built in a rock - Predjama Castle. During your journey you will be accompanied with an expert guide that will share interesting stories and put emphasis on the hidden gems.
What's included
Included
- Hotel pick up and drop off
- Round trip by funicular to Ljubljana Castle
- Transport by air-conditioned vehicle
- Walking tour of Ljubljana with licensed local guide
- Licensed tour guide
- Postojna Cave admission fee
- Predjama Castle admission fee with audio guide
Not included
- Food and drinks
- Gratuities
What you'll see and do
Ljubljana Old Town
Meet a driver at your Zagreb hotel or a central location, then begin the journey to Ljubljana in a climate-controlled vehicle, crossing the border into Slovenia en route. Upon arrival in Ljubljana board a glassed-in funicular railway up to the Ljubljana Castle, a medieval fortress with views across the city (return funicular ticket included). Stretch your legs on a walking tour of the center, learning about Ljubljana history, architecture and culture along the way from licensed local guide. See a quirky cement bridge decorated with dragons, long a symbol of Ljubljana. Enjoy some free time after to keep exploring on your own or grab a drink in a local café and than proceed to Postojna Cave.
180 minutes here
Postojna Cave
Upon arrival at Postojna Cave, the most visited European cave, you’ll go underground into a web of tunnels, passages, halls, and galleries with intricate karst formations, then ride a narrow gauge train through the cave which will create a mesmerizing experience. Embrace all of the beauties on the guided tour of the cave which also includes a train ride inside.
120 minutes here · Admission included
Predjama Castle
Visit a picturesque Predjama Castle that is built within a cave mouth. Learn more about the fascinating history of the castle with an audio guide. Following your time at Predjama Castle, begin the return trip to Zagreb, where this tour concludes with drop-off at your hotel or a central location.
60 minutes here · Admission included
Where it starts and ends
Meeting point
Zagreb
Our guide will wait in front of the Meteorological station. This is a small display that shows temperature and barometric pressure on the north side of the park.
Hotel pickup
Pickup is available for selected locations.
Ends at
Our guide will wait in front of the Meteorological station. This is a small display that shows temperature and barometric pressure on the north side of the park.
Before you book
- Cancellation
- For a full refund, cancel at least 24 hours before the scheduled departure time.
- Languages
- en
- Ticket
- Mobile Only
- Runs on
- Every day
- Group size
- Up to 8 travelers per booking
- Operated by
- Petros d.o.o
Know before you go
- Public transportation options are available nearby
- Specialized infant seats are available
- Not recommended for travelers with spinal injuries
- Not recommended for pregnant travelers
- Not recommended for travelers with poor cardiovascular health
- Suitable for all physical fitness levels
- Instant confirmation at the time of your booking. Guaranteed departures.
- A moderate amount of walking with some steep parts is involved.
- A current valid passport or EU ID is required on the day of travel.
- The temperature in the cave is around 8 Celsius (46 Fahrenheit), please wear appropriate warm clothes.
Photos






Traveler reviews
2 verified traveler reviews for Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle. Ratings and reviews provided by Viator and Tripadvisor.
Stunning Slovenia: A Perfect Day Trip from Zagreb
I recently took the "Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle" and I'm still in awe of the experience. I never expected Slovenia to be this beautiful! Our guide, Maya, was absolutely excellent. Her knowledge, enthusiasm, and friendly demeanor made the trip even more enjoyable. She shared fascinating insights about each location and ensured we had the best possible experience. Ljubljana charmed me with its picturesque streets. Postojna Cave was mind-blowing - the vast underground network and unique rock formations left me speechless. The train ride through the cave system was both exciting and surreal. Predjama Castle, built into the side of a cliff, was like something out of a fairytale. Its dramatic setting and intriguing history made it a true highlight of the tour. This tour exceeded all my expectations and gave me a new appreciation for Slovenia's natural beauty and rich history. I highly recommend it to anyone visiting Zagreb who wants to explore beyond Croatia's borders. Thanks to Maya and this well-organized tour, I now have unforgettable memories of Slovenia's hidden treasures.
Response from the operator: Million thanks for booking the tour and sharing this brilliant review. We are thrilled that you enjoyed the experience so much and returning to your home with lovely memories from Slovenia. Warm regards!
via Viator
Best day tour worth your money spent
Awesome, amazing day tour. Very well-organized, informative. Adequate time for appreciating the sights and taking photos. Most memorable day tour all round.
via Viator
Good to know
- Duration
- 12 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Hotel pickup
- Available for selected locations
- Booked in 30 days
- 1
- Verdict
- Solid Choice
Why this scores 62
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Zagreb.
How much does Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle cost?
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Prices start at $332 per person. The final price depends on the date, the time slot and the number of travelers, and peak weekends in Zagreb usually price higher than midweek mornings. Live pricing and remaining availability are confirmed on the booking screen before you pay.
How long does Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle take?
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Plan for about 12 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 Zagreb is not rushed.
Is Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle worth it?
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It holds an Outty Ranking of 62 out of 100, which we label "Solid Choice". That score blends traveler sentiment (5/5 across 2 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable last minute in Zagreb, and how flexible the cancellation terms are.
Can I cancel or reschedule Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle?
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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 Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 12-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle?
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Around 1 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 Zagreb 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 Zagreb and add a light layer if any part of the 12-hour experience runs outdoors or after sunset.
Where does Private Tour from Zagreb: Ljubljana, Postojna & Predjama Castle 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 Zagreb 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 Zagreb?
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On Outty we rank every Zagreb experience on the same 0 to 100 scale, and alongside this one the highest scorers right now include Communism & Croatian Homeland War Tour, Zagreb Highlights: Old Town, WWII tunnels, Funicular & Tastings, Old Zagreb Private 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 Zagreb?
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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 Zagreb?
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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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