Postojna Cave

Municipality of Postojna, Slovenia

Postojna Cave (Slovene: Postojnska jama; German: Adelsberger Grotte; Italian: Grotte di Postumia) 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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Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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