Postojna Cave Tickets: Train Ride Through Underground Chambers

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Free cancellationTravelers' pick

1/6

Duration5h 30m

GroupUp to 8

LanguagesEN

Mobile ticketAccepted

What makes the train ride through Postojna Cave worth the trip?

You ride an electric train through Postojna Cave's vast underground chambers, then visit Predjama Castle built into a cliff face, with all entry fees and transport from Ljubljana handled. The half-day format means you're back in the city by early evening, and the English-speaking guide covers the history and geology as you move through both sites. No separate ticket purchases or logistics to arrange.

5h 30m

Step-by-step itinerary

Visit Postojna Cave and Predjama Castle

Travel to Postojna Cave
Take electrical train tour
Walk through cave chambers
Travel to Predjama Castle
Visit Predjama Castle
Learn about Erasmus legend
Return to Ljubljana

The Experience

You've just landed in Ljubljana, and there's no time to waste. The Postojna Cave half-day tour picks you up from the city and drives you straight into one of Europe's most visited underground systems — the electrical train carries you through chambers so large they dwarf anything you've seen in a cave before. Stalactites, stalagmites, limestone curtains that look almost translucent when the light hits them right. The walk after the train ride takes you deeper, past formations that have been growing for millennia. It's not a rushed scramble; the guide sets a steady pace and explains what you're looking at as you go.

From there, the same vehicle takes you to Predjama Castle, about thirty minutes away. This one sits halfway up a cliff face, built directly into the mouth of a cavern — it's the kind of place that makes you stop and stare before you even get out of the car. The guide tells you about Erasmus, the medieval outlaw who used the castle as a hideout, and you start to understand why this spot mattered. You're walking through real rooms, real corridors, not a museum reconstruction. The castle is small enough that you're not exhausted by the time you finish, but big enough that you feel like you've actually been somewhere.

The whole thing runs about four to five hours from pickup to drop-off back in Ljubljana. All tickets are included upfront, so there's no standing in line at either site or worrying about whether you've paid the right amount. The vehicle is air-conditioned, which matters because the cave stays cool year-round and you'll want to move around comfortably. Bring walking shoes — both sites involve uneven ground and stairs — and a camera if you want to capture the cave formations or the castle's dramatic perch. Groups stay small, which means the guide can actually answer questions instead of herding fifty people through a tunnel.

What’s included

Air-conditioned vehicle with pickup and drop-off in Ljubljana, panoramic drive between the two sites, professional English-speaking guide, entrance fees to both Postojna Cave and Predjama Castle, and the electric train ride through the cave.
Specialized infant seats are available upon request.
Comfortable walking shoes and a camera are recommended but not provided.

Good to know

Easy physical levelInfant seats availablePublic transport nearby

Operated by Roundabout Travel

Is this one for you?Right for travelers based in Ljubljana with a half-day window who want two major Slovenian sights without arranging separate transport or tickets. The pace is steady — you're walking and standing for most of the afternoon, so plan for a full physical day, but that's what lets you see both the cave and the castle properly instead of rushing through either one.