Terme Achilliane

Overview

The Terme Achilliane are ancient Roman baths located directly beneath Piazza del Duomo, accessible through a staircase in the cathedral square. The vaulted underground chambers, partly flooded by the Amenano River, create an atmospheric subterranean experience.

Highlights

• Underground vaults: Dramatic barrel-vaulted chambers built from lava stone, partially submerged in clear water from the underground Amenano River.
• Roman engineering: Original water-supply channels, terracotta pipes, and drainage systems remain visible.
• Atmospheric lighting: The eerie lighting and echoing water sounds make this one of Catania's most memorable archaeological visits.

History

Dating from the 4th or 5th century AD, the baths were likely part of a larger thermal complex serving the Roman forum area above. After the fall of Rome, they were forgotten and gradually filled with sediment and groundwater. Excavations in the 19th century revealed the complex, and modern drainage keeps them partially accessible.

Visitor Tips

• Tip 1: Expect stairs and uneven surfaces — wear sturdy shoes.
• Tip 2: Guided tours run on fixed schedules; check at the cathedral entrance.
• Duration: 20–30 minutes.