Trou Bac de la Freychenouze n°20
From No. 2, a narrow descending passage leads to two pits 4.5m deep opening at the bottom of a 3m-long joint.
EspeleoWorld
Trou Bac de la Freychenouze n°20
From No. 2, a narrow descending passage leads to two pits 4.5m deep opening at the bottom of a 3m-long joint.
Rivel
Sviluppo: 16 m · Profondità: 7 m
Scheda aggiornata
https://espeleoworld.com/it/c/trou-bac-de-la-freychenouze-n-20-rivel
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From No. 2, a narrow descending passage leads to two pits 4.5m deep opening at the bottom of a 3m-long joint.
Descrizione
Morfologia
From No. 2, one descends to reach the entrance of a joint 1.5 to 2m wide, descending, along the left wall, a narrow descending passage. Point 0. One passes under a large wedged block and, 3m after point 0, one reaches a step (-1) of 1.50m; from there, one is beneath a vault of blocks. The descent of the step is complicated by an overhanging slab that leaves only a narrow passage, all the more so since at the very foot of the step a narrow pit opens. Beyond the opening and the overhanging slab, a small chamber 2m of a second pit at the start of a passage blocked after 1.5m. The 2 pits are 4.5m deep and open at the bottom of a joint (-6.5) 3m long (-7 at the western end), 0.30 to 1m wide. At the foot of pit No. 1, a small triangular chamber 3m long. On the left, the joint turns at a right angle and is blocked by blocks after 1.50m. Above the blocks, a narrow passage rising 3m long.
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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, nomi · ottenuti il 2026-10-19 · https://grottocenter.org/ui/entrances/34790 · 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/34790 · dati aggiornati a 2026