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Grotta Perduta

The only horizontal cave, partly excavated for iron extraction, with a development of 10 metres and a width of 7.

Narni 10m 5m

The only horizontal cave, partly excavated for iron extraction, with a development of 10 metres and a width of 7.

Caractéristiques

  • Type: Grotte
  • Municipalité: Narni
  • N° de cadastre: UM938
  • Longueur: 10 mètres
  • Profondeur: 5 mètres
  • Fiche mise à jour:

Situation

Entrance: due to its proximity to the Madonna del Fondo dei Frati mine and the presence of iron oxide, it was excavated in 1700. Possible continuation with air; it serves as the lower entrance to the main fault of Monte Santa Croce.

Entrance context: natural, anthropized, Cava/Mine.

Locality: nera Montoro, Fosso Fondo dei Frati.

Carte

Entrées

Vérifiez toujours les coordonnées et les conditions d'accès avant de partir.

  1. Grotta Perduta

    Altitude: 157 m

    42.501942, 12.489884
Télécharger toutes les entrées en GPX

Description

Morphologie

The only horizontal cave, partly excavated for iron extraction, development 10 metres by 7 in width.

Trend: predominantly horizontal.

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

Progression

Traversability: easy; recommended period all year round.

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Source : Catasto Cavità Umbria (Federazione Umbra Gruppi Speleologici, FUGS) (catasto.fugs.it), avec modifications. 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=938 · données de 2025