Photo - Willmandinger Bröller
© Ustill · CC BY-SA 2.0 DE, https://creativecommons.org/licenses/by-sa/2.0/de/ · Wikimedia Commons · https://commons.wikimedia.org/wiki/File:Willmandinger_Broeller.jpg
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. · 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 ABC (Vergitterter Eingang) · https://grottocenter.org/ui/entrances/92941 · data as of 2026 · Source: Wikidata – cave items (Germany) (www.wikidata.org), modified. CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/ Wikidata (CC0 1.0) · names · obtained 2026-11-13 · data as of 2026 · The derived data is available on request under the ODbL: [email protected]