The Castellana Caves are a system of subterranean cavities.The Caves are 3.348 mt long and 122 mt deep.The average temperature in the Caves is 16,5°.The guided tour is 3km long and takes place at about 70 mt under the ground in an astonishing scenario made out of caves, canyons, deep pits, fossils, stalatites and stalagmites with bizarre shapes.
