Tour to Postojna Cave and Predjama Castle from Ljubljana
Ljubljana, Slovenia

Tour to Postojna Cave and Predjama Castle from Ljubljana

Outty Ranking 66 5.0 · 6 traveler reviews6 hoursFrom $56
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Outty Ranking

66/100

Solid Choice. Our proprietary evaluation. How we score

Traveler rating

5.0/5

Based on 6 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.

Quick answer

Is Tour to Postojna Cave and Predjama Castle from Ljubljana worth booking?

Tour to Postojna Cave and Predjama Castle from Ljubljana is a 6-hour experience in Ljubljana, Slovenia, from $56 per person. It scores 66 out of 100 on the Outty Ranking, which we label “Solid Choice”, based on a 5/5 rating across 6 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.

Outty Ranking
66 / 100
Rating
5/5 (6)
Duration
6 hours
From
$56 per person

Explore Slovenia's iconic Postojna Cave & visit the spectacular Predjama Castle, built into a towering cliff, with a 10% discount on entrance tickets. Enjoy a small-group tour led by an English-speaking driver for a comfortable and engaging journey.

What you get

    About this experience

    Explore Slovenia's iconic Postojna Cave & visit the spectacular Predjama Castle, built into a towering cliff, with a 10% discount on entrance tickets. Enjoy a small-group tour led by an English-speaking driver for a comfortable and engaging journey.

    What's included

    Included

    • Audio/video guide in English language
    • Round trip from Ljubljana to Postojna Cave and Predjama Castle
    • In-vehicle air conditioning

    Not included

    • Entrance fees

    What you'll see and do

    1. Ljubljana

      Transfer from Ljubljana to Postojna Cave

      60 minutes here

    2. Postojna Cave

      Uncover the wonders of Slovenia's largest cave system. Take a unique electric train ride through the underground labyrinth and witness the majestic stalactites and stalagmites. Admire the grandeur of the cave's Concert Hall and other natural formations that have been millions of years in the making. Stroll through the picturesque karst landscape surrounding the cave, taking time to relax in nearby cafes or scenic spots, where you can capture unforgettable views. Experience the enchanting atmosphere of Postojna Cave and enjoy a day filled with natural beauty and adventure.

      120 minutes here · Admission not included

    3. Predjama Castle

      After exploring the cave, the adventure continues with a stop at the magnificent Predjama Castle. Perched dramatically halfway up a 123-meter cliff, this medieval fortress is like something out of a fairy tale. You’ll have about one hour of free time to admire the castle and its surroundings, take stunning photos, or enter the castle interior to explore its fascinating rooms and hidden passages.

      90 minutes here · Admission not included

    4. Ljubljana

      Transfer from Predjama Castle back to Ljubljana

      90 minutes here

    Where it starts and ends

    Meeting point

    Ljubljana

    Our driver will make sure to find and pick you up. Please wait outside the Ibis Styles Hotel. He/She will arrive in a white van with license plates LJ – 35 TLR.

    Hotel pickup

    No pickup: everyone meets at the start point.

    Ends at

    Our driver will make sure to find and pick you up. Please wait outside the Ibis Styles Hotel. He/She will arrive in a white van with license plates LJ – 35 TLR.

    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
    Slovenia Tours and Transfers

    Know before you go

    • Service animals allowed
    • Public transportation options are available nearby
    • Specialized infant seats are available
    • Suitable for all physical fitness levels

    Photos

    Tour to Postojna Cave and Predjama Castle from Ljubljana, photo 2Tour to Postojna Cave and Predjama Castle from Ljubljana, photo 3Tour to Postojna Cave and Predjama Castle from Ljubljana, photo 4

    What travelers are saying

    Outty’s summary of the themes that recur across 6 traveler reviews. Written by us, not quoted from reviewers.

    The guide

    4 mentions

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

    Photo opportunities

    2 mentions

    The views and photo stops come up again and again.

    Organization

    2 mentions

    Pickup, timing, and logistics are described as running smoothly.

    Traveler reviews

    6 verified traveler reviews for Tour to Postojna Cave and Predjama Castle from Ljubljana. Ratings and reviews provided by Viator and Tripadvisor.

    5 star
    6
    4 star
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    3 star
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    2 star
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    Sort
    Jasna_B · September 2026

    10 of 10

    IT is a very nice experience all was very nice organise and staff was so helpful to explain all about butterfly place

    via Viator

    Kim_V · August 2026

    Postojska Jama (Postojna Cave) and Predjama Grad (castle)

    Great adventure. Mustafa was an excellent guide. He knew a lot of Slovenian history and facts. He was a great driver and the roads are quite narrow, so when a big bus comes towards the van, rest assured that he’ll be navigating past with the utmost care and precision. Postojna Jama is a sight to see, the size of the limestone formations is incredible. A truly breathtaking experience. Predjama castle, built into the side of the cliff is magnificent. The castle has alot of history and there is plenty of stuff on display there. Medieval architecture at its finest. I thoroughly enjoyed the day and very happy we had an early visit to the Cave because it’s peak tourist time and the cave and castle were getting busier by the minute. More time would’ve been better at the castle because there was a lot to see but otherwise all in all it was a truly positive experience.

    via Viator

    Guineabuddy · August 2026

    Spectacular Postojna Cave

    I thoroughly enjoyed the trip to the Postojna Cave. It’s something I’d highly recommend. The formations and scale of the cave is quite spectacular. Our guide Mustafa was very pleasant. We didn’t enter the castle. Just viewed it from outside. We only purchased the tickets to enter the cave. I think Tripadvisor and the Tour Operator need to make it abundantly clear that you need to pay extra for the entrance to each site. When I booked, it stated that the entrance to the cave was included in the price. This was not the case.

    via Tripadvisor

    John_L · June 2026

    Postojna and Predjama

    Small train ride and walk through Postojna Cave, about 90 minutes, very beautiful and interesting! View and entry into Predjama Castle built into a cave, very cool!

    via Viator

    Pooneh_A · June 2026

    Have warm clothes for...

    Have warm clothes for inside the cave Cave was beautiful Castle was great We had si much fun Driver was on time and friendly and helpful Recommend this tour to anyone

    via Viator

    Good to know

    Duration
    6 hours
    Free cancellation
    Up to 24h before
    Minimum age to book
    All ages
    Availability
    Bookable today
    Runs on
    Every day
    Hotel pickup
    No pickup, meet at start point
    Booked in 30 days
    2
    Verdict
    Solid Choice

    Who runs this experience

    Operated by Slovenia Tours and Transfers, who run 3 experiences we rank across 1 city, with an average Outty Ranking of 67.7.

    See everything Slovenia Tours and Transfers runs

    Why this scores 66

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

    Traveler sentiment (30% weight)88
    Review evidence (18% weight)31
    Booking momentum (14% weight)21
    Value for money (12% weight)100
    Listing quality (10% weight)61
    Local standing (8% weight)56
    Booking flexibility (8% weight)100

    Tour to Postojna Cave and Predjama Castle from Ljubljana: questions travelers ask

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

    How much does Tour to Postojna Cave and Predjama Castle from Ljubljana cost?

    +

    Prices start at $56 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 Tour to Postojna Cave and Predjama Castle from Ljubljana take?

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    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 Tour to Postojna Cave and Predjama Castle from Ljubljana worth it?

    +

    It holds an Outty Ranking of 66 out of 100, which we label "Solid Choice". That score blends traveler sentiment (5/5 across 6 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 Tour to Postojna Cave and Predjama Castle from Ljubljana?

    +

    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 Tour to Postojna Cave and 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 Tour to Postojna Cave and Predjama Castle from Ljubljana?

    +

    Around 2 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 Tour to Postojna Cave and Predjama Castle from Ljubljana 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 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?

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    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?

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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.

    What is included in Tour to Postojna Cave and Predjama Castle from Ljubljana?

    +

    Included: Audio/video guide in English language; Round trip from Ljubljana to Postojna Cave and Predjama Castle; and In-vehicle air conditioning. Not included: Entrance fees. Always check the voucher for the final list before you travel.

    Where is the meeting point for Tour to Postojna Cave and Predjama Castle from Ljubljana?

    +

    Our driver will make sure to find and pick you up. Please wait outside the Ibis Styles Hotel. He/She will arrive in a white van with license plates LJ – 35 TLR. Hotel pickup is not included, so plan your own transport and arrive 15 minutes early.

    What languages is Tour to Postojna Cave and 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 Tour to Postojna Cave and Predjama Castle from Ljubljana?

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    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.

    Is Tour to Postojna Cave and Predjama Castle from Ljubljana wheelchair or stroller accessible?

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    The operator notes: Specialized infant seats are available. If accessibility is critical, contact the operator after booking to confirm arrangements for your date.

    What happens to Tour to Postojna Cave and Predjama Castle from Ljubljana if the weather is bad?

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    This experience depends on good weather. If it is canceled because of poor weather, you are offered a different date or a full refund.

    What do travelers say about Tour to Postojna Cave and Predjama Castle from Ljubljana?

    +

    Across 6 reviews averaging 5.0 out of 5, recurring themes include the guide, photo opportunities, organization. Travelers single out the guide as the reason the experience works.

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