Caves of Polignano a Mare
Polignano a Mare has 77 catalogued caves, including 69 caves. The longest is Grotta di Santa Barbera (280 m) and the deepest is Grave Di Polignano (56 m).
77 caves
1.9 km total length
56m max depth
Length adds each cave once (a system counts once), and depth is that of the deepest cave, canyons excluded. Without length data: 24. Without depth data: 40. Without known lithology: 77.
The 20 longest
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The 20 deepest
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50 of 77