Longest single vertical drop in a cave
- Who
- Lukina Jama
- What
- 516 metre(s)
- Where
- Croatia
- When
- 01 January 0001
The Lukina jama cave in Croatia has a total depth of 1,392 m (4,566 ft). However, the cave is only 1,078 m (3,536 ft) long. Its greatest single vertical drop measures 516 m (1,692 ft).