The Kerateas cave opens on the South side of the mountain at an altitude of 548m. It has two floors and is divided into three elongated parallel sections. Columns, stalactites, stalagmites and small pools can be seen in 4 of its parts. From the first section, with a steep ascent of about 5 meters, the other 3 apartments with a downhill floor start successively. The latter has an altitude difference from the entrance of 28 meters. The length of the cave is 60 meters, its width is 35 meters and its ceiling height varies from 5 to 10 meters. There are two climbing ropes in the cave but good shoes and lighting are required.