Natural wonder · Slovenia
Postojna Cave
Cave system in Slovenia
About Postojna Cave
Postojna Cave is a 24.34 km (15.12 mi) long karst cave system near Postojna, southwestern Slovenia. It is the second-longest cave system in the country (following the Migovec System) as well as one of its top tourism sites. The caves were created by the Pivka River.
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Best time to visit
Best time to go: June
Midday highs, based on last year's weather. Green months have comfortable temperatures and few rainy days.
On the map
Famous places nearby
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Ready-made plans nearby
Questions about Postojna Cave
Where is Postojna Cave?
Postojna Cave is in Slovenia.
When is the best time to visit Postojna Cave?
The most comfortable months to visit Postojna Cave are June: pleasant temperatures and few rainy days, based on last year's weather.
Is there a ready-made trip plan near Postojna Cave?
Yes. The 2-day Ljubljana plan is about 38 km away. You can open it and change it as you like.
How can I plan a trip to Postojna Cave?
Tap "Plan a trip here" and Triptime AI builds a free day-by-day plan around Postojna Cave that you can edit on the map.
More famous places in Slovenia
Triptime AI builds a free day-by-day plan around Postojna Cave: what to see nearby, where to eat and where to stay.
Ljubljana travel guide