Trou de Lavelanou n°14
A pit whose 1 m by 0.5 m opening, at the top of a small depression, leads to a 9 m shaft blocked at elevation -10, then to a network of shafts and boulder-choked galleries.
EspeleoWorld
Trou de Lavelanou n°14
A pit whose 1 m by 0.5 m opening, at the top of a small depression, leads to a 9 m shaft blocked at elevation -10, then to a network of shafts and boulder-choked galleries.
Puivert
Sviluppo: 157 m · Profondità: 42 m
Scheda aggiornata
https://espeleoworld.com/it/c/trou-de-lavelanou-n-14-puivert
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A pit whose 1 m by 0.5 m opening, at the top of a small depression, leads to a 9 m shaft blocked at elevation -10, then to a network of shafts and boulder-choked galleries.
Descrizione
Morfologia
The opening is at the top of the small depression where holes 11, 12 and 13 open, at the foot of a 3 m high rock bar. It measures 1 m x 0.5 and leads to a pretty 9 m shaft, blocked at elevation -10. The second shaft, 22 m deep, is vertical, then steeply inclined. At its base, a ledge precedes a further 7 m vertical drop where one lands in a room 8 m x 3. To the North, a 3 m climb leads to a 5.5 m shaft and to a new room 8 m x 5, choked with blocks at elevation -42. A traverse above the P 4 allows one to follow for 12 m a very steeply ascending passage, which then becomes vertical and seems to climb rather high. At the bottom of the second 7 m descent shaft, an ascent towards the South in a boulder slope ends in a room 4 m in diameter. A severe right-angled constriction allows progress of about fifteen metres in small boulder-choked galleries, ending in a truly dangerous room, formed between large blocks that seem to hold by a miracle. Above the start of this boulder-choked network, an 8 m artificial climb leads to a niche at the base of a vertical inlet choked with large blocks.
Progressione
At -7, a pendulum allows one to reach a horizontal gallery; after 4 m, a constriction between large blocks opens into a small boulder-choked room, sloping, in whose floor the opening of the second shaft lies. On the left wall at the bottom of the P 5.5 (West), an easy climb leads to a threshold followed by a P 4 which is descended without equipment. Just above its base, a chimney ascends vertically. Where we stopped, a window gives into a small room, a 3 m step leads onto wedged blocks overhanging a P 12 which is none other than the chimney above the base of the P 4.
Altri dettagli
Despite the draught rising between the blocks, a dig would be pure suicide.
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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/34713 · 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 2026-10-16 · https://grottocenter.org/ui/entrances/34713 · dati aggiornati a 2026