The cave of Melissani is located near Karavomilos on the island of Kefalonia. It is a lacustrine cave of unique beauty and fully developed cave, which is 3.5 km long, 40m wide and 36m high. Melissani cave constitutes a unique geological phenomenon. It was created by a mechanical and chemical process called karstikopoiisi (dissolution of rocks) during which water enters the calcareous rocks, erodes them and creates hollows.
Kastania Cave, also known as the Kastania Cave of Agios Andreas, is one of Greece's most impressive and lesser-known natural wonders. It is located near the village of Kastania in the southeastern Peloponnese, within the region of Laconia. This cave is celebrated for its rich geological formations and captivating underground scenery.
The magnificent Blue Caves are in the north of the Greek Ionian island of Zakynthos. the blue caves are only accessible by the sea. The biggest cave is called Kianoun, and there are, in general terms, many boats available for rent in the town port for tourists to be able to get to the blue caves.
