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Discover Postojna Cave and Predjama Castle on a private 6-hour tour from Trieste, including transportation, tickets, and personal guide service for an effortless day.
A full-day adventure from Trieste to explore two of Slovenia’s most captivating sites costs $320.99 per person for a 6-hour private tour. This tour offers door-to-door service with pickup from your hotel or cruise port, making travel seamless and comfortable. It is ideal for small groups of up to eight people, with private van transport that ensures a relaxed pace and personalized attention. Known for its high ratings—a perfect 5.0 from six reviews—the experience is praised for its professional guidance and efficiency. The tour covers Postojna Cave, famous for its underground train ride, and Predjama Castle, a castle built under a more than 100-meter-high cliff with over 800 years of history.
While food is not included, there is time to browse souvenirs or enjoy a snack before heading to Predjama Castle. The climate-controlled vans and all tickets included add value, making this a popular choice among those seeking a hassle-free Slovenian adventure. Advance booking—typically 36 days in advance—is recommended to secure availability, especially during peak seasons.


This tour begins with a door-to-door pickup from either Trieste’s cruise terminal or your hotel within the city limits. The private van used for transportation is modern, clean, and air-conditioned, ensuring comfort during the approximately 45-minute drive to Postojna. The small group size means a more personalized experience compared to larger bus excursions, with the driver also serving as your escort.
The ease of this setup avoids the need to worry about parking or navigating unfamiliar roads, making it perfect for travelers who want a stress-free day of sightseeing. The private transport and local guide help optimize the time spent at each site, providing insider tips and answering questions along the way.
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Arriving at Postojna Cave, the driver escorts you to the entrance, where your included tickets grant you access to a fascinating underground world. The tour begins with a 15-minute electric train ride through the cavern, a highlight for many visitors due to its impressive scale and unique experience.
After the train ride, a local cave guide leads your group through the passages, sharing interesting facts and stories about the cave’s formation and history. The guided tour lasts about 1 hour, covering flat surfaces suitable for most visitors. The cool temperature—around 10°C/50°F—means packing a jacket is advisable.
This part of the tour is well-organized, with plenty of opportunities to take photos and learn about this natural wonder. The inclusion of tickets and the guided aspect make this a convenient and educational highlight.
Once out of the cave, there is free time to browse souvenir shops, grab a coffee or snack, or use the facilities. This break allows for some personalization before heading to Predjama Castle, which is just a 15-minute drive away.
The castle is renowned for its dramatic setting under a massive cliff and its more than 800 years of history. The site offers a photostop of up to 45 minutes or an audio-guided tour for those interested in a deeper exploration. The tickets included in the price cover the admission to this beautiful and well-preserved fortress.
Visitors can enjoy breathtaking views, learn about the castle’s history, and soak in the fairy-tale atmosphere that makes Predjama a standout attraction.

Predjama Castle is considered one of the most beautiful castles in the world, built into the side of a vertical cliff. The castle’s architecture and setting are truly striking, offering a visual feast and photo opportunities.
The admission ticket grants access to the castle’s interior (if the guided tour is chosen) or time to explore the exterior and surrounding grounds. The 45-minute photo stop provides enough time to appreciate the dramatic landscape, while the guided tour can offer more detailed insights into its history and legends.
This stop is often a favorite highlight, thanks to its unique location and fairy-tale appearance. It also serves as a perfect pause before heading back to Trieste.

The tour concludes with a drop-off at the Trieste passenger terminal or your preferred location within the city. The entire experience is designed to be efficient, with timely transfers and attention to your schedule.
The value lies in the all-inclusive price, which covers tickets, transportation, and guiding, alongside the convenience of door-to-door service. The small group setting and the professional, friendly guides—noted for their knowledge—add to the overall quality.
This tour is suited for travelers who want to explore two top Slovenian attractions with minimal hassle, especially those preferring private transport and personalized service. It is a comfortable, well-organized way to enjoy Postojna Cave and Predjama Castle in a single day from Trieste.
“I can highly recommend this tour. From the moment we booked it, we had contact with Peter. We met him at the port and he introduced us to his drive…”

What is included in the tour price?
The $320.99 fee covers private transportation, hotel or cruise port pickup and drop-off, all tickets for Postojna Cave and Predjama Castle, and an English-speaking guide.
How long is the entire tour?
The total duration is approximately 6 hours, including travel time, site visits, and free time for souvenirs or snacks.
Is food included?
No, food and drinks are not included, but there is time to purchase snacks or drinks during the stops.
What should I wear?
Since the caves are around 10°C/50°F year-round, it’s recommended to wear appropriate clothing—closer to sport shoes and a jacket for comfort.
What is the group size?
The small group is limited to eight people, providing a more personal experience than larger tours.
Can children participate?
Yes, children under 18 need at least one adult in the group. Children 5 years or younger pay only for insurance (€1).
Is this tour suitable in bad weather?
Yes, the tour operates in all weather conditions, thanks to climate-controlled vans.
How far in advance should I book?
The tour is often booked about 36 days ahead; early reservations are recommended during busy seasons.
Can I customize the pickup location?
Pickup can be arranged from Trieste’s cruise terminal or any location within Trieste city limits.
What if I cancel?
Cancellation is free if made at least 24 hours before the scheduled start; later cancellations are non-refundable.
How do I receive my tour details?
Exact departure times are provided the week before based on your ship’s or hotel’s schedule, after the final itinerary is confirmed.
Is the tour accessible for all physical levels?
The tour involves flat surfaces during the cave visit and moderate walking at the castle, suitable for most visitors.
This well-organized, scenic day trip offers a straightforward way to experience Slovenia’s natural and historical treasures with comfort and expert guidance.