1.0Visit Postojnahttps://postojnsko.si/en/Pivka and Black Cave - Visit Postojnarich600338<blockquote class="wp-embedded-content" data-secret="rbKzDmqLGX"><a href="https://postojnsko.si/en/what-to-do/adventures/caves/pivka-in-crna-jama/?format=xml&url=https://postojnsko.si/en/what-to-do/adventures/caves/pivka-in-crna-jama/">Pivka and Black Cave</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://postojnsko.si/en/what-to-do/adventures/caves/pivka-in-crna-jama/embed/?format=xml&url=https://postojnsko.si/en/what-to-do/adventures/caves/pivka-in-crna-jama#?secret=rbKzDmqLGX" width="600" height="338" title="“Pivka and Black Cave” — Visit Postojna" data-secret="rbKzDmqLGX" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript">
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https://postojnsko.si/travel/wp-content/uploads/2023/01/pivka-jama-visit-postojna-foto-iztok-medja.jpg15001000Both karst caves are the last two caves along the underground river Pivka, before it finally disappears and reappears again in the Planina cave. The entrance to the cave is through a sinkhole, which was created by the collapse of a part of the cave ceiling. The two caves are connected to each other by...