Jaskinia Wielka Śnieżna

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.