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Postojna Cave Tours

An underground wonder: tours visit Postojna Cave, a vast karst cavern explored partly by train, often paired with the cliffside Predjama Castle. One of Europe’s great caves.

11 excursions · prices per person, book with partner

Postojna Cave in Koper — FAQ

What is Postojna Cave?
A vast karst cave system explored by cave train.
What is Predjama Castle?
A dramatic castle built into a cliff nearby.
How far is it from Koper?
About an hour by road.