Aven de l'Oustal
a system 239 m in development and -92 m deep, with scrambles, galleries, boulder chokes and the 38 m Adrien shaft.
EspeleoWorld
Aven de l'Oustal
a system 239 m in development and -92 m deep, with scrambles, galleries, boulder chokes and the 38 m Adrien shaft.
Sainte-Eulalie-de-Cernon
Length: 239 m · Depth: 92 m
Updated record
https://espeleoworld.com/en/c/aven-de-l-oustal-sainte-eulalie-de-cernon
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
a system 239 m in development and -92 m deep, with scrambles, galleries, boulder chokes and the 38 m Adrien shaft.
Description
Morphology
The small entrance step leads through a muddy crawl (boyau terreux) at -5 into a small chamber where the digging took place. a 15 m step, re-profiled to size, emerges in the ceiling of a gallery about ten metres long. It widens at another 12 m step that must be rigged. The route continues through a chaos of enormous blocks to the lip of the Adrien shaft (38 m of free hang). At the bottom of the shaft, a narrow (widened) fissure leads north to a small 4 m step cutting a gallery running roughly N.W.–S.E. The N.W. part is sandy and ends at an impassable squeeze. The S.E. part is more jagged. It too ends at a narrow, very wet squeeze (-84 m). Before this squeeze, a small fissure in the ceiling leads to a shaft rising; at its foot an 8 m deep step was probed and is for now impassable.
Depth: -92 m. Development: 239 m.
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Contains information from Grottocenter (Wikicaves), grottocenter.org, made available under the Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modified. · https://grottocenter.org/ui/entrances/168578 · The derived data is available on request under the ODbL: [email protected] · data as of 2026 · Source: Grottocenter (Association Wikicaves), worldwide collaborative cave database (grottocenter.org), modified. CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ Grottocenter (Wikicaves) · Text by KDD122 (description) · adapted by Espeleoworld (normalized, translated); the adaptation is licensed CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ · https://grottocenter.org/ui/entrances/168578 · data as of 2026