Cave of Caiada, Ancient execution cave near Trypi, Greece

The Cave of Caiada is a vertical chasm near Trypi, about 10 km from Sparta, where a narrow opening between pale grey and beige fractured rock walls drops into darkness. The explored section is 50 m long and slopes at 35°–50°. The entrance has been partly filled and is now only 50 cm in diameter.

Known for years to contain bones, the chasm was first systematically investigated only in 1983. The excavated part, about 50 m long with a slope of 35–50°, ends in a thick layer of bones, mostly of adult men with a few women. The skeletons were not scattered but seem to have been thrown in as whole bodies. Ancient sources link the pit to the execution of criminals and prisoners of war.

The cave served as a place of execution in ancient Spartan society, where prisoners and enemies faced their final moments. Today, the rock formation and its history tell visitors about the harsh realities of ancient warfare and justice.

The chasm itself cannot be entered: its mouth has been filled in and is now only about 50 cm across. It lies roughly 10 km from Sparta, in a gorge beside Trypi, next to the Sparta–Kalamata road, so it is seen from outside rather than explored. The explored section beyond the blocked entrance runs about 50 m at a slope of 35–50°.

The bones lie in a thick layer at the bottom and belong mostly to adult men, with a few women. They were not scattered but seem to have been thrown down as whole bodies, which argues against the old story of infants cast into the chasm.