Thomain (Grotte-aven)
Small cavity opening through a wall-side porch, with a constriction at the top of a pit about twenty metres deep blocked by a calcified collapse.
EspeleoWorld
Thomain (Grotte-aven)
Small cavity opening through a wall-side porch, with a constriction at the top of a pit about twenty metres deep blocked by a calcified collapse.
Salvezines
Length: 40 m · Depth: 25 m
Updated record
https://espeleoworld.com/en/c/thomain-grotte-aven-salvezines
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
Small cavity opening through a wall-side porch, with a constriction at the top of a pit about twenty metres deep blocked by a calcified collapse.
Description
Morphology
A small wall-side porch allows descending the collapsed slope to a constriction giving onto the top of a pit about twenty metres deep, obstructed at its bottom by an imposing calcified collapse.
Speleothems
Only a narrow passage between the concretion allows progress for a few metres in the joint that originated the cavity.
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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/121092 · 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 Stochus (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/121092 · data as of 2026