Trou des Frères Dumont
EspeleoWorld
Trou des Frères Dumont
Onnion
Length: 14 m · Depth: 11 m
Updated record
https://espeleoworld.com/en/c/trou-des-freres-dumont-onnion
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
Description
Simple Puits
Le puits donne sur une suite impénétrable mais avec un courant d'air qui est sans doute issu de la salle du Chaos de la Tanne à Paccot.
History
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Bibliography
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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/25280 · 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 Frédéric Urien - compte administrateur (Simple Puits) · https://grottocenter.org/ui/entrances/25280 · data as of 2026