Blumenrothponorhöhle
Large double ponor doline with a short blind valley, developed partly as a pit and partly as a labyrinth, up to 17 m deep and half filled with bomb debris from the 2nd World War.
EspeleoWorld
Blumenrothponorhöhle
Large double ponor doline with a short blind valley, developed partly as a pit and partly as a labyrinth, up to 17 m deep and half filled with bomb debris from the 2nd World War.
Schwelm
Updated record
https://espeleoworld.com/en/c/blumenrothponorhoehle-schwelm
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Large double ponor doline with a short blind valley, developed partly as a pit and partly as a labyrinth, up to 17 m deep and half filled with bomb debris from the 2nd World War.
Description
Morphology
It is a large double ponor doline with a short blind valley. It lies in rocks of the Massenkalk with Nehden beds. The doline is half filled with bomb debris from the 2nd World War. The Blumenrothponorhöhle has a length of 47 m. It is developed partly as a pit and partly as a labyrinth and is up to 17 m deep.
Other details
Medieval shards were found in the cave. There are further dolines and sinkholes there. The geotope area is leased by the AKKH, which has also locked and maintains the cave.
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Source: Geotopkataster Nordrhein-Westfalen (Geologischer Dienst NRW) (ogc-api.nrw.de), modified. Data licence Germany – attribution – version 2.0 (dl-de/by-2-0), https://www.govdata.de/dl-de/by-2-0 Geowissenschaftliche Daten: INSP-GeotopeinNRW @ Geologischer Dienst NRW · 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