Aven du Roc Rouge
Aven whose seventy-centimetre entrance opens at ground level, with a twenty-metre fissure and a low point at -59.
EspeleoWorld
Aven du Roc Rouge
Aven whose seventy-centimetre entrance opens at ground level, with a twenty-metre fissure and a low point at -59.
Vignevieille
Sviluppo: 90 m · Profondità: 59 m
Scheda aggiornata
https://espeleoworld.com/it/c/aven-du-roc-rouge-vignevieille
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Aven whose seventy-centimetre entrance opens at ground level, with a twenty-metre fissure and a low point at -59.
Descrizione
Morfologia
The seventy-centimetre-diameter entrance opens at ground level. Small steps lead down to -6 at Un P 4. The descending diaclase that follows, oriented SW, is obstructed by large blocks in the ceiling that require crawling. A four-metre step, entirely widened with explosives, opens at the top of Un P 35 completely occupied by an accumulation of wedged rocks. After a few metres the blocks give way to a fissure twenty metres long. The width of 80 cm at the start gradually narrows to reach thirty centimetres at the base of the shaft. Two blocks wedged six metres from the bottom allow the rope to be freed (width = 40 cm). The ceiling consists of a sometimes impressive scree cone that prevents appreciation of the real height of the fissure. The bottom of the fissure is very narrow and is only estimated.
Progressione
The only descent passage is directly below the step. Reaching the bottom of the shaft, one can follow the bottom of the fissure to an inexorable narrowing that marks the low point of the Aven at -59. Progressing horizontally towards the SW one reaches the edge of the fissure. An ascent of several metres leads into a chimney clogged with blocks at -32. On the opposite side (NE), crossing the shaft horizontally, one progresses about twenty additional metres in the fissure to a constriction at -44.
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Fonte: BRGM BDCavité (inventaire des cavités souterraines), via Géorisques (www.georisques.gouv.fr), modificato. Licence Ouverte 2.0, https://www.etalab.gouv.fr/licence-ouverte-open-licence/ Ministère de la Transition écologique, de la Biodiversité et des Négociations Internationales sur le Climat et la Nature – données Géorisques (BRGM), mise à jour du 2026-10-16 · dati aggiornati a 2026 · Contiene informazioni da Grottocenter (Wikicaves), grottocenter.org, rese disponibili con la Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modificate. · profondità, sviluppo · ottenuti il 2026-10-19 · https://grottocenter.org/ui/entrances/35055 · I dati derivati sono disponibili su richiesta con licenza ODbL: [email protected] · dati aggiornati a 2026 · Fonte: Grottocenter (Association Wikicaves), worldwide collaborative cave database (grottocenter.org), modificato. CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ Grottocenter (Wikicaves) · Testo di Cds 11 · adattato da Espeleoworld (normalizzato, tradotto); l'adattamento è rilasciato con licenza CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ · descrizione · ottenuti il 2026-10-17 · https://grottocenter.org/ui/entrances/35055 · dati aggiornati a 2026