Lipa Cave
Lipa Cave (Lipska pećina) is a karst cave situated close to Cetinje, Montenegro. It has a system of about 2.5 kilometres (1.6 mi) of passages and halls, which makes it one of the largest caves in Montenegro. It's the first cave in Montenegro which opened for tourists, after the cave's valorisation projected finished thanks to the help of the Municipality of Cetinje and the Lipa Cave company.
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).