Project for a cave located in the municipality of Lokve, in the mountainous region of Gorski Kotar.
The cave was discovered by chance in 1911. during excavation of limestone found by Jakov Bolf Talijanetov.
It has 6 floors, of which the first four are open to visitors. The length of the cave, discovered so far, is 1179 meters and depth 275 meters. The temperature inside the cave ranges from 7 to 9 degrees.