Photo - Ilsenhöhle
Ansgar Koreng · CC0 1.0, https://creativecommons.org/publicdomain/zero/1.0/ · Wikimedia Commons · https://commons.wikimedia.org/wiki/File:Burg_Ranis_mit_Ilsenh%C3%B6hle.jpg
Contains information from © OpenStreetMap contributors, www.openstreetmap.org, made available under the Open Database License (ODbL 1.0, https://opendatacommons.org/licenses/odbl/1-0/), modified. · data as of 2026 · Source: German Wikipedia – article leads (cave descriptions) (de.wikipedia.org), modified. CC BY-SA 4.0, https://creativecommons.org/licenses/by-sa/4.0/ Wikipedia contributors (de.wikipedia.org), CC BY-SA 4.0 · Text by Wikipedia contributors (Ilsenhöhle) · description · obtained 2026-11-13 · https://de.wikipedia.org/wiki/Ilsenh%C3%B6hle · data as of 2026 · The derived data is available on request under the ODbL: [email protected]