Jaskinia Wielka Śnieżna
The 8th longest cave in the world
23.8km · Length
Jaskinia Wielka Śnieżna ("great snowy cave") is a limestone cave system in Mount Małołączniak in the Western Tatra Mountains, of the Carpathian Mountains System, in southern Poland. The cave is within Tatra National Park. With the length of 23.723 kilometres (14.741 mi), and vertical range of 824 metres (2, 703 ft), it is the longest, largest, and deepest cave in Poland.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).