Grotta IIIa presso lo Speco di S. Francesco
Cave with a very narrow joint fissure and a 2 m shaft, with two entrances.
EspeleoWorld
Grotta IIIa presso lo Speco di S. Francesco
Cave with a very narrow joint fissure and a 2 m shaft, with two entrances.
Narni
Length: 22 m · Depth: 4 m
Updated record
https://espeleoworld.com/en/c/grotta-iiia-presso-lo-speco-di-s-francesco-narni
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
Cave with a very narrow joint fissure and a 2 m shaft, with two entrances.
Description
Morphology
Very narrow joint fissure with a 2 m shaft, and with two entrances.
Other details
Geology: MAI Maiolica - Upper Jurassic-Lower Cretaceous (Tithonian-Aptian).
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Bibliography
VITTORI V. & BEVILACQUA F. (1976) Le grotte presso il convento dello Speco di S. Francesco
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=493 · data as of 2025