Kefala cave located 2 km southwest of Vothini  is one of the most impressive and beautiful caves of the island of Kalymnos. Its extend is 1000 square metres, with six inner chambers. Explore the secrets of Kefala cave where you will be impressed by the imposing, 103 meters long, hallway with the huge stalactites and stalagmites. You will also be able to see traces of the worship of Zeus, which is the reason why the cave bears the alternative name 'Cave of Zeus'. You can reach the cave by boat or along the provincial road from Pothia.