Postojna Cave & Predjama Castle tour with entrance fees

Two landmarks, one afternoon: the castle built into a cliff, then the cave beneath it

A small group tour of Postojna Cave and Predjama Castle in Slovenia, with entrance tickets and an English-speaking guide included. The day starts at Predjama Castle, a 13th-century fortress built into a cliff face, then moves to Postojna Cave for an electric train ride through underground chambers followed by a guided walk. The tour runs five to six hours and keeps groups small so the pace stays manageable.

Step-by-step itinerary

Visit Predjama Castle and Postojna Cave

• Drive through Slovenian countryside
• Explore Predjama Castle and its passages
• Ride train through Postojna Cave
• Walk and explore cave chambers

The Experience

The route starts with a drive through the Slovenian countryside to Predjama Castle, a medieval fortress built directly into the mouth of a cave on a towering cliff. The castle dates to the 13th century but took its present form in the 16th century, blending Renaissance and Gothic architecture. You walk through ancient corridors and grand halls, exploring the hidden passages and medieval living quarters that fill the interior. The castle's extraordinary location—carved into the rock itself—is what sets it apart from other European fortresses.

From there, the tour moves to Postojna Cave, where you board a small electric train designed to navigate the cave's narrow passages. The train carries you through vast underground chambers filled with stalactite formations and intricate geological features. An audio guide or live commentary in English provides information about the cave's history and the unique ecosystem inside. After the train ride returns to the entrance, you continue on foot at your own pace, exploring more of the cave's passages and chambers.

The tour is built for small groups—couples, families, and groups traveling together—so there's no rushing and no large crowds. An air-conditioned vehicle handles the drive between sites, and bottled water is provided. Your guide is a local who shares insights and stories beyond what a typical tour covers. Entrance fees for both Postojna Cave and Predjama Castle are included in the price, so there's no separate ticket to buy at either site.

What’s included

• Entrance tickets to both Postojna Cave and Predjama Castle.
• small group tour with a local English-speaking guide.
• electric train ride through Postojna Cave's underground chambers.
• air-conditioned vehicle for transport between sites.
• bottled water.
• hotel pickup.

Good to know

Easy physical levelPublic transport nearbyInfants must sit on laps

Operated by Dtour

Is this one for you?Book this if you want both Postojna Cave and Predjama Castle in one day with a small group and local storytelling; you'll skip the logistics of two separate visits and hear context beyond what plaques show.

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Top questions

What's the difference between the train ride and the walking part of Postojna Cave?

The electric train takes you through the deepest chambers and the most dramatic formations in the cave's interior, covering ground that would take hours on foot. After the train returns to the entrance, you walk through additional passages at your own pace, exploring sections closer to the surface and taking time to examine details the train passes quickly.

Can I visit Predjama Castle if I'm not very fit?

Predjama Castle is suitable for all physical fitness levels. You walk through the castle's corridors and halls at your own pace, and there's no requirement to climb steep terrain or cover long distances in a single stretch.

Is the guide with the group the whole time, or just at certain stops?

The guide is a local who travels with your small group throughout the day, sharing stories and insights at both Predjama Castle and Postojna Cave. They provide context about the sites and answer questions as you explore.

How long does the electric train ride through Postojna Cave actually take?

The train ride covers the cave's main passages and chambers; the exact duration isn't fixed because the pace depends on the group and the guide's commentary. After the train returns, the walking portion lets you spend as much time as you want examining the cave's formations up close.

What happens if I have young children—can they ride the train?

Infants must sit on an adult's lap during the train ride. Children of all ages can participate in the tour, and the small group format means the pace can adjust to families traveling together.

Does the price include everything, or are there extra costs at the sites?

Entrance fees for both Postojna Cave and Predjama Castle are included, so there are no separate tickets to buy. Bottled water is provided, and the guide and transport are part of the tour price.