Photo - Aven d'Orcade

© G.S.L., Collectif GSL, KDD122 · CC BY-SA 3.0, https://creativecommons.org/licenses/by-sa/3.0/ · Grottocenter: TOPOGRAPHIE (licence as stated in the document) · https://grottocenter.org/ui/documents/234477

Source: BRGM BDCavité (inventaire des cavités souterraines), via Géorisques (www.georisques.gouv.fr), modified. Licence Ouverte 2.0, https://www.etalab.gouv.fr/licence-ouverte-open-licence/ Ministère de la Transition écologique, de la Biodiversité et des Négociations Internationales sur le Climat et la Nature – données Géorisques (BRGM), mise à jour du 2026-10-16 · data as of 2026 · 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. · depth · obtained 2026-11-09 · https://grottocenter.org/ui/entrances/105303 · 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 KDD122 (description), KDD122, KDD122 (accès) · description, history, access · obtained 2026-10-18 · https://grottocenter.org/ui/entrances/105303 · data as of 2026