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Grotta GIS

Grotta GIS

Cave at the base of the wall of a disused quarry at Cesi, Colle Zannuto, with an entrance 1.5x1 m and a brick wall just inside.

Terni 800m 70m

Cave at the base of the wall of a disused quarry at Cesi, Colle Zannuto, with an entrance 1.5x1 m and a brick wall just inside.

Characteristics

  • Type: Cave
  • Municipality: Terni
  • Cadastre no.: UM860
  • Length: 800 meters
  • Depth: 70 meters
  • Record updated:

Location

Route: 300 m, 5 minutes. On reaching the built-up area of Cesi from the small pharmacy square, proceed EAST following the SP22 downhill; after about 1.5 km park on the left near the entrance of the Cava Unicalce. Continue on foot past the gate on the right; after about 100 m a climbing path is found on the left, follow it for about 100 m until reaching the quarry face wall, which must be descended with a rope of about 10 m; at its base the entrance can be seen. If wishing to pass through the quarry floor, the second gate on the left must be passed; beware of the danger of falling. Then proceed left to the entrance visible in the wall; the fence must be approached on the right-hand part.

Route information: Wall to be rigged, Dangerous access.

Entrance: at the base of the excavation wall of the disused Cava, dimensions HxW 1.5x1 m; just inside, a brick wall.

Entrance context: Wall, Anthropized, Quarry/Mine.

Access: Gate, Fence, Private property; owner of the land Calce San Pellegrino Spa Str. Amerina Loc. San Pellegrino 05035 Narni, currently closed, negotiations under way with the FUGS to allow regulated and safe access. The upper route requires a rope of about 10 m to rig the wall.

Locality: Cesi, Colle Zannuto.

Map

Entrances

Always verify coordinates and access conditions before setting out.

  1. Grotta GIS

    Elevation: 363 m

    42.604880, 12.601860
Download all entrances as GPX

Photos

Grotta GIS - Photo, TerniView image
Click to enlarge

© Luca Bussolati · 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=860

Image 1 of 1

Description

Morphology

Trend: Ascending/Descending.

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

Hydrology

Blows when hot; internal temperature 13 °C; humidity 98 %; air flows 6 m/s, flow rate 0.5 mc/sec. Measurements on 29/06/2024 at about 10.00, outside clear, temperature 28 °C, humidity 61%, strong cold blowing current.

Progression

Traversability: Demanding; recommended period all year round.

Progression difficulty: pits, slides, narrow passages.

Other details

Owner of the land: Calce San Pellegrino Spa Str. Amerina Loc. San Pellegrino 05035 Narni.

Bio

Other hypogean fauna: troglobitic beetle Carabidae: Duvalius virginiae Magrini-Vanni & Cirocchi, 1996; troglobitic beetle Curculionidae: Otiorrhynchus (Lixorrhynchus) virginiae Magrini-Abbazzi & Cirocchi, 2001; troglophilic beetle Carabidae: Laemostenus latialis Leoni, 1907; troglophilic orthopteran Rhaphidophoridae: Dolichopoda laetitiae Menozzi, 1920.

Bait trapping reveals the presence of two endemic and specialized species and one troglophilic species.

Studies and monitoring: entomological.

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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=860 · 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