Caves and potholes of Piacenza
The catalogue of Piacenza lists 18 caves, including 3 potholes and 15 caves. The longest is Grotta Inferiore di Vigoleno (117 m).
18 caves
389 m total length
19m max depth
Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without known lithology: 18.
The 20 longest
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The 20 deepest
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Map
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.