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C-29

A cavity that opens on the cliff beneath the settlement of Fossa, with an artificially adapted entrance and two large excavation niches resulting from the extraction of calcareous concretions.

Terni 17m 5m

A cavity that opens on the cliff beneath the settlement of Fossa, with an artificially adapted entrance and two large excavation niches resulting from the extraction of calcareous concretions.

Characteristics

  • Type: Cave
  • Municipality: Terni
  • Cadastre no.: UM746
  • Length: 17 meters
  • Depth: 5 meters
  • Record updated:

Location

Locality: Marmore, Ponte del Toro. The cavity opens on the cliff beneath the settlement of Fossa.

Map

Approximate position

Entrances

Always verify coordinates and access conditions before setting out.

  1. C-29

    Elevation: 334 m

    42.550661, 12.712665
Download all entrances as GPX

Description

Morphology

The entrance of the cavity is artificially adapted. There are two large excavation niches resulting from the extraction of calcareous concretions.

Other details

Geology: between carbonate and travertine deposits - Quaternary (Pleistocene - Holocene).

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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=746 · data as of 2025