Postojna Cave & Predjama Castle half-day tour from Ljubljana
Departure city
This tour departs from multiple cities. Select your departure point at checkout.
08:00, 12:00
Departure time
08:00, 12:00, 13:00, 14:00
This tour has multiple departure times with the same itinerary. You'll be able to select a time at checkout.
Guide language: English
Small group (1-16)
Free cancellation (24 hours notice)
Cancellation policy
- You'll get a full refund if you cancel at least 24 hour(s) before the activity starts
Available from 7 Dec 2025
Operated by: Opus Magnum d.o.o.
More about Postojna Cave & Predjama Castle half-day tour from Ljubljana
Step into a world shaped by nature over millions of years on this unforgettable day trip. Begin your adventure with an underground train ride deep into the mesmerizing Postojna Cave, where you’ll explore a 21-kilometer network of tunnels, vast halls, and magical rock formations. Marvel at delicate stalactites, towering dripstone pillars, and shimmering curtains carved by the River Pivka. Guided by experts, wander through this fairy-tale underworld glowing with subtle light. Then, return to daylight and journey to the legendary Predjama Castle—a dramatic fortress wedged into a 100-meter cliff. Discover the myths of the infamous robber knight Erasmus and explore secret passages and medieval chambers. After a day of natural and historical wonders, relax on the scenic drive back to Ljubljana