I-4
A cavity that opens beneath the first drop of the waterfall, accessible via the lighthouse path.
EspeleoWorld
I-4
A cavity that opens beneath the first drop of the waterfall, accessible via the lighthouse path.
Terni
Length: 15 m · Depth: 1 m
Updated record
https://espeleoworld.com/en/c/i-4-terni
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
A cavity that opens beneath the first drop of the waterfall, accessible via the lighthouse path.
Description
Progression
The cavity opens beneath the first drop of the waterfall; it is reached via the lighthouse path.
Other details
Geology: among carbonate and travertine deposits - Quaternary (Pleistocene - Holocene).
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Nearby caves
Source: Catasto Cavità Umbria (Federazione Umbra Gruppi Speleologici, FUGS) (catasto.fugs.it), modified. LicenseRef-FUGS-no-licence-stated Federazione Umbra Gruppi Speleologici (FUGS), Catasto Speleologico dell'Umbria · https://catasto.fugs.it/index.php?mod=caves&op=view&id=778 · data as of 2025