
Postojna cave, Predjama castle and Piran tour from Ljubljana
Traveler rating
5.0/5
Based on 112 traveler reviews. Ratings and reviews provided by Viator and Tripadvisor.
Quick answer
Is Postojna cave, Predjama castle and Piran tour from Ljubljana worth booking?
Postojna cave, Predjama castle and Piran tour from Ljubljana is a 10-hour experience in Ljubljana, Slovenia, from $89 per person. It scores 86 out of 100 on the Outty Ranking, which we label “Exceptional”, based on a 5/5 rating across 112 reviews. Cancellation is free up to 24 hours before the start time. Same-day spots are currently showing.
- Outty Ranking
- 86 / 100
- Rating
- 5/5 (112)
- Duration
- 10 hours
- From
- $89 per person
The road will initially lead us to the Postojna cave, where we will admire one of the most popular karst caves in the world. While riding on the cave train, everyone will be fascinated by the cave's might and its karst p
What you get
- Hotel pick up and drop off
- Professional English speaking guide
- Transport by air-conditioned minivan
About this experience
The road will initially lead us to the Postojna cave, where we will admire one of the most popular karst caves in the world. While riding on the cave train, everyone will be fascinated by the cave's might and its karst phenomena. We will then continue our trip and reach the unique and largest cave castle in the world - the Predjama Castle, which has been dominating perched high up in the cliff for 800 years. After exploring the castle and cave, our next destination is Piran, acclaimed as one of the most beautiful spots in the Mediterranean, often referred to as the jewel of the region. In this charming seaside town, we'll marvel at narrow streets and distinctive architecture. A leisurely walk around the main square, Tartini Square, will provide us with the opportunity to appreciate Piran, enclosed by ancient town walls and overlooking the sea.
What's included
Included
- Hotel pick up and drop off
- Professional English speaking guide
- Transport by air-conditioned minivan
Not included
- Food and drink
- Gratuities (optional)
- Postojna Cave and Predjama Castle entrance fee
- Postojna Cave ticket only (without Castle) - 29,5 €
What you'll see and do
Postojna Cave
A journey into the 2 milion old cave with a spectacular interior. Postojna Cave is an impressive cave with global recognisability that has already reached 38 milion visitors in 200 years since it was opened to the public. A wonder happend when the Pivka river threaded its way in underground world and create firstly a cave and later a breathtaking interior with a fantastic web of tunnels, galleries, halls and passages. A picturesque karst phenomena created also an unique natural creations as stalactite, stalagmite, curtains, petrified waterfalls and cave pearls. One of the endless wonders in the cave is also so called »human fish« or »proteus« - a blind animal most notable for its adaptations to a life of complete darkness in its underground habitat.
120 minutes here · Admission not included
Predjama Castle
A magnificent world-famous castle that cause a fantasy and mysterious feelings. Predjama castle, one of the most picturesque Renaissance castles from 16th century is build on a 123-meter high cliff and has a connection with a mysterious cave system underneath the castle. The dramtic, unconquerable, majestic and mysterious castle is also written in Guinness Book of World Records as the largest cave castle in the world. The interior of castle is today changed into a interesting museum where you can see objects that were found in the castle -chalice, three goblets, cup with a cover, cup, windmill cup, salt cellar and two candlesticks.
90 minutes here · Admission not included
Piran
The picturesque town of the Adriatic, labeled as »the Mediterranean treasure«. Piran, an outstanding and one of the most authentic towns surrounded by the sea, is a historical and cultural monument. The town has a typical Mediterranean spirit with its narrow streets and closely constructed houses. The »dream town« owns an old town wall (with a breathtaking view from the top), the main square (with the statue of the well-known Giuseppe Tartini, who was a composer, a violinist and was born in this town), the picturesque St. George Parish church and other attractions. Let's join the locals and sit by the sea, chat and listen to sounds of the sea.
120 minutes here
Where it starts and ends
Hotel pickup
Pickup is included for all travelers. Pickup begins about 5 minutes before departure.
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 15 travelers per booking
- Operated by
- Slovenian Wander
Know before you go
- Specialized infant seats are available
- Suitable for all physical fitness levels
Photos






Good to know
- Duration
- 10 hours
- Free cancellation
- Up to 24h before
- Minimum age to book
- All ages
- Availability
- Bookable today
- Runs on
- Every day
- Price range
- $89 to $112
- Hotel pickup
- Included for all travelers
- Booked in 30 days
- 39
- Verdict
- Exceptional
Who runs this experience
Operated by Slovenian Wander, who run 7 experiences we rank across 1 city, with an average Outty Ranking of 73.1.
See everything Slovenian Wander runsWhy this scores 86
The Outty Ranking is a weighted composite. Here is how this experience performed on each component.
Postojna cave, Predjama castle and Piran tour from Ljubljana: questions travelers ask
Practical detail on this experience, plus the wider planning questions for Ljubljana.
How much does Postojna cave, Predjama castle and Piran tour from Ljubljana cost?
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Prices start at $89 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 and Piran tour from Ljubljana take?
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Plan for about 10 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 and Piran tour from Ljubljana worth it?
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It holds an Outty Ranking of 86 out of 100, which we label "Exceptional". That score blends traveler sentiment (5/5 across 112 reviews), the depth of that review evidence, recent booking momentum, value for money against comparable most highly reviewed in Ljubljana, and how flexible the cancellation terms are.
Can I cancel or reschedule Postojna cave, Predjama castle and Piran tour from Ljubljana?
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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 and Piran tour from Ljubljana suitable for kids and families?
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Yes, all ages are welcome. Families should still weigh the 10-hour running time, and strollers are easier on the earlier, quieter departures.
How far in advance should I book Postojna cave, Predjama castle and Piran tour from Ljubljana?
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Around 39 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?
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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 Ljubljana and add a light layer if any part of the 10-hour experience runs outdoors or after sunset.
Where does Postojna cave, Predjama castle and Piran tour 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, Lake Bled and Bohinj with Savica waterfall included. 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?
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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 Ljubljana?
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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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