Hülloch-Höhle
The Halver Huelloch is a karst cave in the limestone horizon of the Upper Honsel Beds with an entrance secured by a steel gate.
EspeleoWorld
Hülloch-Höhle
The Halver Huelloch is a karst cave in the limestone horizon of the Upper Honsel Beds with an entrance secured by a steel gate.
Halver
Updated record
https://espeleoworld.com/en/c/huelloch-hoehle-halver
Information can change. Always verify coordinates, access, weather, and cave conditions before setting out.
The Halver Huelloch is a karst cave in the limestone horizon of the Upper Honsel Beds with an entrance secured by a steel gate.
Description
Morphology
The Halver Huelloch is a karst cave in the limestone horizon of the Upper Honsel Beds. The cliff behind the entrance secured by a steel gate consists of dark, bituminous micrites (presumably lagoonal facies) with fossils (corals, stromatoporoid remains, brachiopods).
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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