Vjetrenica

Vjetrenica is the largest and most famous cave in Bosnia and Herzegovina, a protected natural monument and a tourist destination in the southeastern part of Herzegovina. It is located 300 meters east of Zavala, on the western edge of Popovo polje, in the municipality of Ravno, and 12 kilometers away from the town of Slano, on the coast of the Adriatic Sea, or 80 kilometers away from Mostar.

A total of 7,014 meters of underground canals were discovered. The speleological features of this unique cave are magical beauty, spacious corridors and halls, numerous sights, and a rich hydrographic world with numerous lakes, several waterfalls, more permanent streams, and dozens of smaller periodic flows that run in different directions. Not to forget the appearance of a strong wind at the entrance, which in the summer period makes a natural climate. The internal air temperature is 11.4 and water 11.3 degrees Celsius. Bones and remains of bears and leopards were found there as well as drawings older than 10,000 years.