Morning Postojna Cave and Predjama Castle by Sigismundi

Overview

Available languages

English

Mobile ticket

Journey into the heart of the Slovenian Karst. Witness the majesty of the world’s most famous cave system and the dramatic mystery of the world's largest cave castle—all before lunch.

Depart from Ljubljana for a seamless morning adventure. Descend into Postojna Cave via its unique underground train to see stunning stalactites, and then stand in awe before Predjama Castle, an architectural marvel built directly into a high cliff. This tour is perfect for those who want to see Slovenia's most famous landmarks and still be back in the city for the afternoon.

Additional Info

Infants and small children can ride in a pram or stroller

Service animals allowed

Public transportation options are available nearby

Specialized infant seats are available

Suitable for all physical fitness levels

Cancellation Policy

For a full refund, cancel at least 24 hours before the scheduled departure time.

What To Expect

Postojna Cave

At Postojna Cave, travelers explore one of Europe’s most spectacular underground cave systems. The experience begins with a unique electric train ride deep into the cave, passing through dramatic tunnels and vast underground chambers. A guided walk follows among impressive stalactites, stalagmites, and remarkable limestone formations, including the famous “Brilliant.” Guests will also learn about the cave’s geology and encounter the unique olm, the mysterious “human fish” native to this karst world.

1 hour 30 minutes • Admission Not Included

Predjama Castle

You will explore Predjama Castle, an extraordinary castle built into a towering cliff. Discover its medieval rooms, hidden tunnels, and secret passages while learning about the legendary knight Erazem of Predjama. The castle’s unique cliffside location offers breathtaking views and a glimpse into its clever defensive design.

50 minutes • Admission Not Included

What‘s Included

Insider Access: Learn interesting stories, history, and little-known facts about each site you visit

Professional English-speaking local driver-guide.

Bottled water

Snacks

Premium Transportation: Comfortable, high-end air-conditioned vehicle (Mercedes-Benz or similar)

Postojana Cave & Predjama Castle – payment by participants optional on site.

Postojna Cave – payment by participants optional on site.

Predjama Castle ticket – payment by participants optional on site.

Options

Predjama Castle ticket