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Grotta del Bastione

Narrow fissure in massive limestone with a descending trend and a development of 11 metres.

Narni 12m 3m

Narrow fissure in massive limestone with a descending trend and a development of 11 metres.

Characteristics

  • Type: Cave
  • Municipality: Narni
  • Cadastre no.: UM663
  • Length: 12 meters
  • Depth: 3 meters
  • Record updated:

Location

Entrance in a narrow fissure; locality Il Bastione.

Map

Entrances

Always verify coordinates and access conditions before setting out.

  1. Grotta del Bastione

    Elevation: 383 m

    42.511084, 12.523501
Download all entrances as GPX

Description

Morphology

Narrow fissure in massive limestone with a descending section having a development of 11 metres.

Progression

Descending trend; demanding traversability; recommended period all year round.

Other details

Geology: MAS massive limestone - Lower-Upper Jurassic (Sinemurian-Pliensbachian); massive limestones; massive.

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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=663 · data as of 2025