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Caves and potholes of Tuscany

The catalogue of Tuscany lists 2,513 caves, including 265 potholes and 2,220 caves. The longest is Abisso Gigi Squisio (75,000 m) and the deepest is Abisso Paolo Roversi (1,350 m).

2,513 caves
2,854.3 km total length
1,350m max depth

Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 61. Without depth data: 164. Without known lithology: 2,513.

The 20 longest

Full ranking: longest caves in Tuscany

The 20 deepest

Full ranking: deepest caves and potholes in Tuscany

Map

Provinces

Lucca

1,478 caves
2,671.7 km
1,350m
🏆 Longest: Abisso Gigi Squisio (75,000m)
⬇️ Deepest: Abisso Paolo Roversi (1,350m)

Massa-Carrara

269 caves
132.4 km
1,215m
🏆 Longest: Abisso della Tambura (11,600m)
⬇️ Deepest: Abisso Olivifer (1,215m)

Grosseto

227 caves
17.3 km
151m
🏆 Longest: Grotta di Montecchio (1,709m)
⬇️ Deepest: Grotta N.1 di Poggio Pinzo (151m)

Siena

225 caves
10.7 km
77m
🏆 Longest: Grotta dell'Orso di Sarteano (320m)
⬇️ Deepest: Buca dei Pozzoni (77m)

Livorno

123 caves
9.5 km
257m
🏆 Longest: La Bucaccia (812m)
⬇️ Deepest: La Bucaccia (257m)

Firenze

57 caves
4.9 km
193m
🏆 Longest: Grotta di Sant'Anna Vecchia (700m)
⬇️ Deepest: Grotta di Sant'Anna Vecchia (193m)

Prato

26 caves
2.3 km
68m
🏆 Longest: Buca del Ciuco (358m)
⬇️ Deepest: Grotta del Drago (68m)

Pistoia

19 caves
1.2 km
42m
🏆 Longest: Grotta Giusti (420m)
⬇️ Deepest: Grotta Giusti (42m)

Arezzo

15 caves
1.0 km
50m
🏆 Longest: Buca delle Bombe della Verna (207m)
⬇️ Deepest: Grotta del Sasso Spicco (50m)

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.