Ljubljana: Postojna Cave & Predjama Castle Small Group
Two medieval wonders in one afternoon, underground and on a cliff
You visit Predjama Castle first, climbing through its cliff-side chambers at a measured pace, then board a mini-train into Postojna Cave to ride through one of Europe's most dramatic underground systems. Your guide handles the history and logistics, transport is included, and the small group size means you're not moving in a crowd. Plan for moderate fitness and bring warm layers for the cave.
Step-by-step itinerary
Visit Predjama Castle and Postojna Cave
- Tour Predjama Castle
- Ride train inside Postojna Cave
- Explore Postojna Cave with guide
- Predjama Castle 1h
- Postojna Cave 1h 30m
What’s included
Your afternoon includes hotel or central Ljubljana pickup, round-trip transport in a comfortable air-conditioned minivan, a professional English-speaking guide, and entry to both Predjama Castle and Postojna Cave. The mini-train ride into the cave is part of the experience, and the small group size, capped at eight people, keeps the pace manageable and personal.
Times
- Every day 08:20
Before you book
Operated by Gray Line Slovenia I Slovenia Explorer
Prices and times updated today
Need assistance?Message us on WhatsApp or by emailTraveler reviews
The experience
The minivan is already rolling out of central Ljubljana when your guide starts pointing out the landscape: the Inner Carniola region opening up around you, green and layered. By the time you reach Predjama Castle, you're standing at the base of a vertical cliff, looking up at a medieval fortress that seems to grow out of the rock itself. The castle sits there, perched impossibly high, and your guide walks you through the chambers and stairwells, telling you about Erazem of Predjama, the castle's most famous resident. There are quite a few stairs, but the pace is slow enough that you're not rushing. The whole stop takes time to actually absorb the place instead of just checking it off.
Then comes the part that stays with you: the Postojna Cave. You board a special mini-train that carries you deep into one of the world's largest Karst monuments: 21 kilometers of passages and galleries that most people never see. The train does the heavy lifting. You're sitting, watching stalactites and stalagmites emerge from the darkness, the caverns opening up in front of you. Your local guide is there the whole time, explaining what you're looking at, and if you're lucky, you might hear about the human fish, the proteus anguinus, a creature that lives nowhere else on earth. The cave temperature sits at 9°C, so bring warm clothes. That's not a suggestion, it's a real thing you'll notice the moment you step inside.
The whole tour runs as a half-day from Ljubljana, which means you're back in the city by evening. Groups stay under eight people, so it never feels crowded, and the minivan is air-conditioned on the drive out. You're not arranging your own transport, not buying separate tickets, not figuring out the timing between two sites that are worth seeing together.
Is this one for you?Right for travelers based in Ljubljana who want to see two of Slovenia's top attractions without arranging separate transport or tickets. Expect stairs at the castle and a cool cave environment. Both are manageable at a slow pace with proper clothing.
Compare the 11 alternatives
Top questions
Can children come?
Yes. Ticket types: Child (under 13).
How long is the tour?
It's a half-day tour from Ljubljana, typically running in the afternoon. The exact duration depends on your pickup time and the cave's operating schedule.
Do I need to be very fit to do this tour?
Moderate fitness is recommended. Predjama Castle has quite a few stairs, but the pace is slow. The cave is accessed by mini-train, so you're not walking long distances underground.
What's the temperature in Postojna Cave?
The cave stays at around 9°C (48°F) year-round. Warm, comfortable clothes and footwear are essential.
Is the tour wheelchair accessible?
No, it is not wheelchair accessible due to the stairs at Predjama Castle and the cave terrain.
How many people are in the group?
Groups are limited to a maximum of 8 people per van, ensuring a more personalized experience.
What's included in the tour?
The tour includes pickup from central Ljubljana, air-conditioned minivan transport, a professional English-speaking guide, and access to both Predjama Castle and Postojna Cave.
What if the tour is cancelled?
If minimum passenger numbers aren't met after confirmation, you'll be offered an alternative tour or a full refund.
Can I visit just one of the two sites?
The tour is designed to visit both Predjama Castle and Postojna Cave in one afternoon. They are not offered separately on this tour.
Ljubljana: Postojna Cave & Predjama Castle Small Group
5h 30m · EN
from € 72.29 per person
≈ US$ 82 in your currency
Next, you choose your date and number of travelers and see the final price.