Source du Groin
A spring whose basin, about ten metres in diameter, precedes a sump formed by a wide meander explored as far as the 2100 m mark.
EspeleoWorld
Source du Groin
A spring whose basin, about ten metres in diameter, precedes a sump formed by a wide meander explored as far as the 2100 m mark.
Valromey-sur-Séran
Length: 2100 m · Depth: 30 m
Updated record
https://espeleoworld.com/en/c/source-du-groin-valromey-sur-seran-ain
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
A spring whose basin, about ten metres in diameter, precedes a sump formed by a wide meander explored as far as the 2100 m mark.
Description
Morphology
The spring opens through a magnificent basin about ten metres in diameter, whose level depends on the weather conditions.
The sump consists of a wide meander.
Hydrology
After a passage through the zone at 20 metres depth in the first 200 metres, the gallery rises into the zone at 10 metres depth (at low water).
Progression
The sump was explored as far as the 2100 m mark by J. L. Camus.
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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/5604 · 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 Stéphane Lips (Description générale) · 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/5604 · data as of 2026