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Discover Postojna Cave and Predjama Castle on a 5-hour group tour from Koper, including transport, guided exploration, and photo stops—perfect for a quick Slovenian highlight.
Exploring Slovenia’s most iconic sites becomes effortless with this group tour from Koper that combines the stunning Postojna Cave with a quick photostop at Predjama Castle. Priced at $128.40 per person, the tour lasts approximately 5 hours, making it an excellent choice for travelers with limited time. It includes round-trip transport from Koper hotels or cruise terminals, so you skip the hassle of planning logistics yourself.
The experience features a guided walk inside Postojna Cave with tickets included, allowing you to appreciate this natural wonder without overcrowding, as the tour groups are kept more manageable. The photo stop at Predjama Castle offers a picturesque moment to capture Slovenia’s fairy-tale castle, with only about 15 minutes allocated for this glimpse. The tour is highly praised for its convenience, knowledgeable guides, and well-organized itinerary, making it ideal for cruise passengers and short-stay visitors.


The tour begins at the Koper cruise terminal or a designated meeting point, where a comfortable, air-conditioned vehicle awaits. The drive to Postojna Cave takes roughly 50 minutes through scenic Slovenian countryside, giving a glimpse into the land’s varied landscapes. The guide provides insights into Slovenia’s history, politics, and culture during this transfer, enriching the experience before entering the cave.
This setup is appreciated for its efficiency and ease, especially for cruise ship passengers who value a straightforward start without dealing with public transport or complicated arrangements. The small group size helps maintain a relaxed atmosphere throughout the drive and subsequent exploration.
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Once at Postojna, your driver escorts you to the cave entrance, where your tickets are handed out—tickets are included in the tour price. The exploration begins with a 15-minute electric train ride that takes you deep into the cave’s expansive chambers, softening the physical effort needed to traverse its underground corridors.
Following the train ride, a local guide leads a more than one-hour walking tour on relatively flat surfaces, sharing stories, facts, and details about the cave’s formation, features, and history. The cave’s temperature remains steady around 10°C (50°F) year-round, so bringing an extra layer or a jacket is advisable. The combination of spectacular stalactites, stalagmites, and underground formations makes this a memorable, visually stunning experience.
After emerging from the cave, you’ll have some free time to buy souvenirs, grab a snack, or use the facilities. Then, the group heads towards Predjama Castle, a castle perched dramatically on a cliff with over 800 years of history. The 15-minute photo stop is designed to capture the castle’s unique setting and architecture, offering a perfect picture opportunity.
While the tour does not include a full interior visit, the exterior view alone is impressive and highly photogenic. Visitors appreciate this quick stop as an extra memorable highlight that complements the natural wonder of Postojna Cave.

Following the castle stop, the group heads back to Koper in a 40-minute drive. This part of the tour provides a relaxing conclusion, giving travelers time to reflect and enjoy the countryside views.
For those interested, the tour operator can arrange reservations at a local family-run restaurant where authentic Slovenian cuisine and local wines are served at affordable prices. This optional extension offers a “taste” of Slovenia, making the short tour even more satisfying for food and wine lovers.

The tour price of $128.40 covers tickets for Postojna Cave, transportation, and an English-speaking guide. It also includes basic insurance and the photo-stop at Predjama Castle. However, food and drinks are not included, so bringing snacks or planning to dine afterward is recommended.
The tour operates every day from 9:00 AM to 3:30 PM at the times specified after booking, with pickup from the Koper cruise terminal. Small groups of up to 20 travelers ensure a more intimate experience, although larger tour groups guided in the cave are possible due to national protection rules.

The caves are cool at around 10°C, so packing a jacket and comfortable footwear is essential. The tour runs in all weather conditions, so appropriate clothing for rain or wind is advised. The walk inside the cave involves some uneven surfaces and stairs at the castle, making it suitable for most physically capable travelers, but those with mobility issues should consider this.

Multiple reviews highlight the knowledge and friendliness of the guides, particularly mentioning guides like Mateja, Marina, and Neva for their professionalism, storytelling, and care. The guides help optimize timing, especially in coordinating with cruise schedules or managing group flow.
The experience inside Postojna Cave receives high praise for its stunning formations and extensive passages, with many mentioning that it is “worth the trip” and “an unforgettable experience.” The quick photo stop at Predjama Castle is a bonus, appreciated for its visual appeal and photo opportunities.

This 5-hour group tour offers a convenient and well-organized way to experience Slovenia’s famous attractions in a short timeframe. The combination of cave exploration, castle views, and local insights makes it a solid choice for those arriving via cruise or with limited time.
The small group size and inclusive tickets enhance the value, and the optional food stop adds a nice taste of Slovenian culture. While the photo-stop at Predjama Castle doesn’t include interior access, the exterior views are impressive enough to leave a lasting impression.
This tour stands out for its reliability, knowledgeable guides, and smooth logistics, making it a practical and enjoyable way to explore Slovenia’s highlights.
“Mateja our guide was very knowledgeable and it was helpful to get straight from Port to cave experience. Excellent communication and insider tips f…”
Is transportation included in this tour?
Yes, round-trip transport from Koper to Postojna Cave and Predjama Castle is included, in an air-conditioned vehicle.
How long do I spend inside Postojna Cave?
You spend approximately 1 hour and 40 minutes exploring the cave with guided commentary, including a 15-minute electric train ride.
Can I visit the inside of Predjama Castle?
No, this tour only includes a 15-minute photo-stop outside the castle. Inside visits are not part of this itinerary.
What should I wear for the cave visit?
Since the temperature is around 10°C, wear comfortable shoes and bring a jacket to stay warm during the walk.
Is this tour suitable for all ages?
Most travelers can participate, but those with mobility issues or difficulty walking on uneven surfaces should consider this. All participants under 21 must be accompanied by an adult.
How do I book this tour?
The tour is available for booking online through the provider, Slovenia Daytrip, with the exact departure time sent after booking, and free cancellation available if canceled at least 24 hours in advance.