Lac de Gournier
a deep lake whose origin is thought to be a karst cavity buried by the alluvium of the Rhône.
EspeleoWorld
Lac de Gournier
a deep lake whose origin is thought to be a karst cavity buried by the alluvium of the Rhône.
Montélimar
Depth: 17 m
Updated record
https://espeleoworld.com/en/c/lac-de-gournier-montelimar
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
a deep lake whose origin is thought to be a karst cavity buried by the alluvium of the Rhône.
Description
Hydrology
a deep lake suspected to be due to the presence of a karst cavity buried by the alluvium of the Rhône.
Other details
The stump of a tree located almost at the bottom indicates that the alluvial aquifer was durably much lower in an ancient era (Middle Ages?).
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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/286 · 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 Nathan (Description sommaire) · 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/286 · data as of 2026