Houle de la Banche
EspeleoWorld
Houle de la Banche
Plévenon
Length: 142 m
Updated record
https://espeleoworld.com/en/c/houle-de-la-banche-plevenon
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
Cavity in Plévenon (Côtes-d'Armor). Length 142 m. It is the longest cave in Brittany in the EspeleoWorld catalogue.
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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/10656 · The derived data is available on request under the ODbL: [email protected] · data as of 2026