The Castellana Caves are a karst cave system located in the municipality of Castellana Grotte, in the Metropolitan City of Bari, Apulia, southern Italy.
Check the official website for the opening hours - they vary.
Children (6-14): €12
Children under 6: free
+39 080 4998211
70013 Castellana Grotte BA, Italy
40°52'34.422" N 17°8'54.587" E