Grotta di San Casciano

Cave with a predominantly horizontal trend, formed by three adjacent chambers and three entrances, one of which is suspended.

Narni 44m

Cave with a predominantly horizontal trend, formed by three adjacent chambers and three entrances, one of which is suspended.

Characteristics

• Type: Cave
• Municipality: Narni
• Cadastre no.: UM436
• Length: 44 meters
• Record updated: November 12, 2026

Location

Route: 600 m, 10 min on foot. Once at the parking area near the Ponte di Augusto, proceed on foot along the Strada di Funara, pass the barrier and after about 100 m the cave is located at the base of the wall on the left side of the road.

Route information: Scrub or bushland, Walkable path, Wall requiring equipment, Dangerous access.

Entrance: Access walled with tuff blocks that have been broken through.

Entrance context: Natural, Rural, Wall, Anthropized.

Access: Free access, Other access; from the road to the cave wall about 30 that are tackled through bushland and shrubs.

Locality: Ponte di Augusto.

Map

Entrances

Always verify coordinates and access conditions before setting out.

1. Grotta di San Casciano

   Elevation: 100 m

   42.521860, 12.511660
   Open in map Open in Google Maps

Download all entrances as GPX

Topographic

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© Mauro Barbieri · CC BY-SA 4.0, https://creativecommons.org/licenses/by-sa/4.0/ · Federazione Umbra Gruppi Speleologici (FUGS), Catasto Speleologico dell'Umbria · https://catasto.fugs.it/index.php?mod=caves&op=view&id=436

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Photos

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© Mauro Barbieri · LicenseRef-FUGS-media-per-item · Federazione Umbra Gruppi Speleologici (FUGS), Catasto Speleologico dell'Umbria · https://catasto.fugs.it/index.php?mod=caves&op=view&id=436

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Description

Morphology

Cave with three adjacent chambers and three entrances, one of which is suspended.

Trend: Predominantly horizontal.

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

Hydrology

Hydrology and meteorology: internal temperature 10 °C; humidity 87 %; no air flows; measurements coinciding with the external weather conditions on 01/03/2025.

Progression

Traversability: Easy; recommended period all year round.

Hazards: Dangerous access, Landslides/collapses.

Other details

Pollution: Solid waste, intensity High, solid waste of various kinds easily removable.

History

In the '60s the cave was inhabited by populations of nomads.

Protection of historical-archaeological sites: No.

Notes on the name: It takes its name from the nearby Monastery.

Bio

Chiroptera: Presence of one bat on 01/03/2025.

Other hypogean fauna: Various bone remains of small mammals, dolichopoda.

Environmental and biological protections: No.

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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=436 · data as of 2025 · Source: Catasto Cavità Umbria (Federazione Umbra Gruppi Speleologici, FUGS) (catasto.fugs.it), modified. LicenseRef-FUGS-media-per-item Federazione Umbra Gruppi Speleologici (FUGS), Catasto Speleologico dell'Umbria · data as of 2025