Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb in Zagreb
Zagreb, Croatia

Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb

Outty Ranking 77 4.9 · 35 traveler reviews11 hoursFrom $140

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September 2026

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Outty Ranking

77/100

Strongly Recommended. Our proprietary evaluation. How we score

Traveler rating

4.9/5

Based on 35 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.

Quick answer

Is Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb worth booking?

Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb is a 11-hour experience in Zagreb, Croatia, from $140 per person. It scores 77 out of 100 on the Outty Ranking, which we label “Strongly Recommended, based on a 4.9/5 rating across 35 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.

Outty Ranking
77 / 100
Rating
4.9/5 (35)
Duration
11 hours
From
$140 per person

Discover the biggest gems of Croatia’s neighboring country - Slovenia. We start with Postojna cave to soak up some mesmerizing views of underground karst life. After a guided tour in the cave we continue to the astonishi

What you get

    About this experience

    Discover the biggest gems of Croatia’s neighboring country - Slovenia. We start with Postojna cave to soak up some mesmerizing views of underground karst life. After a guided tour in the cave we continue to the astonishing Predjama Castle. We conclude the experience with Ljubljana, an enchanting city that will win your heart immediately. Return to Zagreb. During your journey you will be accompanied by an expert guide that will share interesting stories and put emphasis on the interesting tidbits throughout your day. Small group for a GREAT experience! (maximum 8 participants)

    What travelers are saying

    Outty’s summary of the themes that recur across 35 traveler reviews. Written by us, not quoted from reviewers.

    The guide

    7 mentions

    Travelers single out the guide as the reason the experience works.

    Knowledge and storytelling

    3 mentions

    Reviewers describe the commentary as informative rather than scripted.

    Good for families

    2 mentions

    Reviewers traveling with kids report it landed well with their group.

    Traveler reviews

    35 verified traveler reviews for Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb. Ratings and reviews provided by Viator and Tripadvisor.

    5 star
    32
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    June_G · October 2025

    Great caves and castle

    The caves are amazing. There is a train ride into the caves then a good walk through the caves with a guide. The guided tour in the caves is not very good as there are up to 100 people with one guide and it is very hard to impossible to hear what the guided tour has to say. Worth the experience tbough. The castle is quite unique. Not enough time in Ljubljana as we were caught in a traffic jam for a while

    Response from the operator: Many thanks for joining the tour and taking time to post this review. We always appreciate feedback from our customers and wish you an enjoyable stay in Croatia!

    via Viator

    Phillip_Z · August 2025

    Was a great trip out to...

    Was a great trip out to the caves and castle Dino our driver was fantastic nothing was a bother for him. Ljubljana was also a great spot to visit, great tour company to travel with would recommend them

    Response from the operator: Thank you very much for joining the tour and taking time to post this wonderful review. Hope to see you back in Zagreb one day!

    via Viator

    760menas · July 2025

    Simply amazing tour of day with excellent tour guide- Renato

    Renato was simply amazing!!!! Patient, informative, kind, attentive. These places are a must. We enjoyed it so much! Ask for Renato, he will make it much more enjoyable. He is a real asset to this company. The kids enjoyed interacting with him. The kids enjoyed every part of the day trip. What an experience.

    Response from the operator: Thank you very much for booking the tour. We are happy to see that the tour met your expectations and the day spent in Slovenia with us was memorable one to your family. Cheers!

    via Tripadvisor

    Gissou_G · June 2025

    Tour to the castle/ cave/ Ljubjiana

    Our tour leader Renato was great. We had a wonderful time and didn't feel rushed. He gave us some facts and history about Slovania and gave us tips we appreciated .

    Response from the operator: Thank you. We are really happy to see that you enjoyed the day in Slovenia with us. Keep exploring the world! Petros team

    via Viator

    Curiosity05655037646 · May 2025

    Awesome Trip!!

    Great tour, loved the cave and castle!! Renato was a great guide!! Highly recommend this trip, would be great with kids as well, especially the cave and castle.

    Response from the operator: Thank you. We are thrilled that you enjoyed the tour so much. We wish you a safe return to your home. Take care!

    via Tripadvisor

    Good to know

    Duration
    11 hours
    Free cancellation
    Up to 24h before
    Minimum age to book
    All ages
    Availability
    Bookable today
    Booked in 30 days
    12
    Verdict
    Strongly Recommended

    Why this scores 77

    The Outty Ranking is a weighted composite. Here is how this experience performed on each component.

    Traveler sentiment (30% weight)92
    Review evidence (18% weight)58
    Booking momentum (14% weight)50
    Value for money (12% weight)100
    Listing quality (10% weight)77
    Local standing (8% weight)53
    Booking flexibility (8% weight)100

    Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb: questions travelers ask

    Practical detail on this experience, plus the wider planning questions for Zagreb.

    How much does Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb cost?

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    Prices start at $140 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 Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb take?

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    Plan for about 11 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 Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb worth it?

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    It holds an Outty Ranking of 77 out of 100, which we label "Strongly Recommended". That score blends traveler sentiment (4.9/5 across 35 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 Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb?

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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 Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb suitable for kids and families?

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    Yes, all ages are welcome. Families should still weigh the 11-hour running time, and strollers are easier on the earlier, quieter departures.

    How far in advance should I book Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb?

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    Around 12 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 11-hour experience runs outdoors or after sunset.

    Where does Ljubljana, Postojna Cave&Predjama Castle with Tickets from Zagreb 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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