Caves and potholes of Pisa
The catalogue of Pisa lists 73 caves, including 3 potholes and 68 caves. The longest is Buche delle Fate di S.Giuliano Terme (415 m).
73 caves
3.3 km total length
182m max depth
Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 2. Without depth data: 16. Without known lithology: 73.
The 20 longest
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The 20 deepest
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Municipalities
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.