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Stone arches and pillars in an illuminated underground chamber with a sign.

Explore

Subterranean Rivers and Lava Caves

Mount Etna's massive 1669 eruption buried Catania under up to 15 meters of volcanic rock.

Photo: tour listing on Viator

Today, the buried Amenano River still flows beneath the city streets. You can explore the natural lava caves, ancient wells, and crypts that remain trapped under the modern structures. Guided walking tours run 2 to 2.5 hours and help you access these locked or hidden areas.

A view looking down a series of old stone steps into darkness.
Photo: tour listing on Viator
01

Amenano Underground River at A Putia dell'Ostello

30 minsInside a restaurant basement

The Amenano river still flows forcefully through a natural lava cave directly beneath this popular restaurant. You can walk down into the cave basement to see the water cutting through the black lava rock. Go in the evening, grab a meal, and ask to sit near the cave steps.

Close-up of a white marble fountain statue of a man holding a conch.
Photo: tour listing on Viator
02

Pozzo di Gammazita

15 minsBest with a guide

This historic well plunges deep down to the ancient water level. It connects to a famous local legend about a young woman named Gammazita. A local cultural association manages the site, so check their current hours or visit with a guide.

Rough stone walls and structures in a dimly lit underground excavation site.
Photo: tour listing on Viator
03

Church of San Gaetano alle Grotte

20 minsErratic opening hours

This ancient church houses a subterranean crypt and a mysterious underground river channel. The structure predates the modern city built above it. Independent opening hours can be erratic, so visiting as part of an organized walking tour is the easiest way to get inside.

Tour the Hidden Caves

A tour group walks along a metal pathway inside a lit stone tunnel.
Underground Catania2 h to 3 h 4.9 (321)from $92
underground catania tourfrom $92 on Viator
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