Treni Cave
The Cave of Treni (Albanian: Shpella e Trenit) is a cave in southeastern Albania, located on the shore of the Small Prespa Lake close to the villages of Treni and Devoll in Korçë County. The cave has a length of 20 m (66 ft) with a width which can vary between 10–12 m (33–39 ft).
Cave data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).