Under the groundThe Pozzo d'Antullo sinkhole at Collepardo
A viewing visit to a karst sinkhole about 60 metres deep and roughly 300 metres wide, formed when the roof of a cave collapsed.
See the day
In the old stonesCollepardo at its real position from Rome, with everywhere else we list behind it — so you can see how far out this one is.
Open it where the roads are
Takes you to Collepardo itself. The place is signposted from there — we point at the town because that is the position we hold, and we would rather say so than pretend to a pin we have not checked.
Getting there
The day stays yours: you leave when you want, stop where you want, and come back when the light goes.
Affiliate link — you pay their price, never more, and they pay us. You book with Localrent, and anything about that booking goes through them.
See prices on LocalrentNo parking to find, no wrong turns, and you leave when the day is done.
Affiliate link — you pay their price, never more, and they pay us. You book with Welcome Pickups, and anything about that booking goes through them.
See prices on Welcome Pickups
Under the groundA viewing visit to a karst sinkhole about 60 metres deep and roughly 300 metres wide, formed when the roof of a cave collapsed.
See the day
On the trailA guided visit to a Carthusian monastery founded in 1204 above Collepardo.
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With your handsA course held at Collepardo every year since 1991 and open to everyone.
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On the trailA natural history museum on the upper floors of the town hall at Collepardo, given over to herbal medicine, karst geology, caving and biodiversity, with a specialist reference l…
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In the old stonesMegalithic walls above Arpino, and a corbelled pointed arch cut through them that has no equal anywhere else in the Mediterranean.
Free — nothing to pay
Just turn up — open air, any hour
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In the old stonesPolygonal blocks fitted without mortar, standing in the middle of the old town, and a gate whose single lintel stone weighs about as much as a locomotive.
Free — nothing to pay
Just turn up — open air, any hour
See the day
In the old stonesA Carrara marble figure on the old rock of San Pietro, raised in 1964 to the women of this valley who were assaulted here at the end of the war.
Free — nothing to pay
Just turn up — open air, any hour
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In the old stonesA Baroque cathedral at Albano Laziale, from the eighteenth century.
Free — nothing to pay
Just turn up
See the dayChecked 2026-08-23 · it.wikipedia.org/wiki/Ponte_dei_Santi
Photograph by pietro scerrato, Wikimedia Commons — CC BY 3.0. Not this place: it shows what the day looks like, and will be replaced with the operator's own photograph or ours from the field.
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