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Caves of Massa Marittima

Massa Marittima has 19 catalogued caves, including 18 caves. The longest is Grotta Prato 2 (940 m) and the deepest is Buca dell'Infernuccio (70 m).

19 caves
2.1 km total length
70m max depth

Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 3. Without depth data: 6. Without known lithology: 19.

The 20 longest

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The 20 deepest

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