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Caves and potholes of Liguria

The catalogue of Liguria lists 1,372 caves, including 71 potholes and 1,199 caves. The longest is Grotta Balbiseolo (3,000 m) and the deepest is Grotta della Melosa (253 m).

1,372 caves
64.3 km total length
253m max depth

Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 184. Without depth data: 388. Without known lithology: 1,372.

The 20 longest

Full ranking: longest caves in Liguria

The 20 deepest

Full ranking: deepest caves and potholes in Liguria

Map

Provinces

Savona

596 caves
37.5 km
250m
🏆 Longest: Grotta Balbiseolo (3,000m)
⬇️ Deepest: Grotta degli Scogli Neri (250m)

Imperia

475 caves
17.0 km
253m
🏆 Longest: Tana del Ruglio (2,200m)
⬇️ Deepest: Grotta della Melosa (253m)

Genova

162 caves
5.1 km
155m
🏆 Longest: Grotta di Iso (581m)
⬇️ Deepest: Pozzo Giovanni (155m)

La Spezia

139 caves
4.7 km
96m
🏆 Longest: Scrigno del Borsa (532m)
⬇️ Deepest: Sprugola dei Branzi (96m)

The figures of these places do not add up to the total: a cave can be in more than one place, or in none when its location has no lower level.