Avenc dels Negres
A 34-metre-deep pit in the Campgràs area, Sitges, first explored in the spring of 1969.
EspeleoWorld
Avenc dels Negres
A 34-metre-deep pit in the Campgràs area, Sitges, first explored in the spring of 1969.
Sitges · Garraf
Sviluppo: 40 m · Profondità: 34 m
Scheda aggiornata
https://espeleoworld.com/it/c/avenc-dels-negres
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A 34-metre-deep pit in the Campgràs area, Sitges, first explored in the spring of 1969.
Topografia
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.
Foto
Espeleoindex · CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/ · Immagine © del suo autore.
Descrizione
Morfologia
A 0.3x0.7 metre entrance that leads into an inclined conduit where, 1 metre further down, it becomes narrower, requiring a horizontal move in order to reach the head of a 25-metre-deep shaft. At the start of the shaft the circular section is 2 metres in diameter, reaching 3.5 metres at the base at -27 metres. This base, sloping towards the entrance of the next shaft, which has a section of 3x1 metres and is 7 metres deep, places us at the point of maximum depth at -34.5 metres.
Storia
The first exploration was carried out during the spring of 1969 by members of the Equip de Topografia Alpina de la Creu Roja de Sant Cugat and a small group of caving enthusiasts who at that time were at the Vallvidrera delegation of the Centre Excursionista Àliga.
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Bibliografia
- Borràs, J. (1973).-Catálogo Espeleológico del Macizo de Garraf (I):1-156.Barcelona.
- Rovira, J; García,J.J. (1971).-”Nuevas simas descubiertas en el Pla de Campgràs”. Espeleosie (10):34-62. SIE-CE Àliga. Barcelona.
- Fotos 'JNC' facilitades per Jordi Navarro, (Centre Excursionista de Castellar del Vallès).
Grotte vicine
Fonte: Espeleoindex (espeleoindex.com), modificato. CC BY-NC 4.0, https://creativecommons.org/licenses/by-nc/4.0/