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Grotta di Fontana Miella

Grotta di Fontana Miella

Cave that opens with a wide swallow hole about 2x2 m in a landslide gully and continues with an 18 m pit, from the bottom of which a system of fissures and wide galleries is reached.

San Venanzo 77m 33m

Cave that opens with a wide swallow hole about 2x2 m in a landslide gully and continues with an 18 m pit, from the bottom of which a system of fissures and wide galleries is reached.

Characteristics

  • Type: Cave
  • Municipality: San Venanzo
  • Cadastre no.: UM33
  • Length: 77 meters
  • Depth: 33 meters
  • Record updated:

Location

Location: Poggio Aquilone, Fosso Ospedaletto. Entrance setting: natural, rural, on a slope.

Route: on foot 800 m, 30 min. Once the built-up area of Opedaletto is reached, along the SS317 leading to Monte Peglia, take the SP109 for a Ripalvella and Collelungo, continue for about 1.3 km along the dirt road and park in the clearing on the right near a fenced hunting area. Continue on foot along the dirt road to the right, passing the gate; if this is closed, follow the fence on the right until you come to a gap. Follow the road inside the area heading SW, after about 500 m turn towards N, passing the wide gully and the gate on its right side, continue along the path, after about 60 m leave it and climb the slope on the right towards N where the vegetation thins out, after about 90 m you are at the cave entrance bordered by barbed wire and located in a small ditch with signs of water flow.

Route information: there is no beaten path; scrub or bush; path passable.

Access: free access, fence; some fences and gates of hunting areas to be passed, protected by barbed wire.

Map

Entrances

Always verify coordinates and access conditions before setting out.

  1. Grotta di Fontana Miella

    Elevation: 620 m

    42.825690, 12.222530
Download all entrances as GPX

Photos

Grotta di Fontana Miella - Photo, San VenanzoView image
Click to enlarge

© 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=33

Image 1 of 1

Description

Morphology

Entrance: wide swallow hole inside a landslide gully, about 2x2 m in size. 18 m pit, from the bottom of which a system of fissures and wide galleries is reached. Trend: mixed.

Hydrology

Water difficulties: waterfalls.

Progression

Passability: experts only; recommended period all year round. Rigging: fixed. Hazards: dangerous access, landslides/collapses.

Other details

Geology: VAS Scaglia Variegata - Eocene Med.Sup. (Lutetian-Priabonian); marls; stratified.

History

Notes on the name: it presumably takes its name from a gully near the Fosso di Ospedaletto close to the entrance.

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Bibliography

LEMMI G. & COLETTI G. (1961) Elenco catastale delle grotte dell'Umbria ANONIMO (1962) Attività del Gruppo Grotte dell'Istituto di Geologia dell'Università di Perugia COCCHI C. (1962) La Grotta di Fontana Miella MARTINI A. (1962) Alcune considerazioni preliminari sulla microflora delle caveme ANONIMO (1972) Il 1971 per Io Speleo Club di Orvieto

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=33 · 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