description Planinska Jama Overview
Planinska Jama, also called Planina Cave, is a limestone cave near Planina in southwestern Slovenia. Its underground passages contain the confluence of the Pivka and Rak rivers, which meet inside the cave to form the Unica, a notable example of subterranean drainage in the Classical Karst region. The cave has a large entrance and extensive river passages, and it is important to speleologists, karst researchers, and visitors exploring its accessible sections under controlled conditions.
help Planinska Jama FAQ
Where is Planinska Jama?
Planinska Jama, or Planina Cave, is near Planina in southwestern Slovenia. It is part of the Classical Karst region.
Which rivers meet inside Planina Cave?
The Pivka and Rak rivers meet underground inside the cave. Their combined flow forms the Unica River.
Why is Planinska Jama important to karst geology?
It shows how surface rivers can disappear underground and join within a limestone cave system. The Pivka and Rak confluence is a notable example of subterranean drainage.
What river leaves Planina Cave?
The Unica emerges from the underground confluence of the Pivka and Rak. It then continues through the karst landscape near Planinsko Polje.
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