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Heilenbecker Höhle

The Heilenbecker Höhle is a large cave with a branched passage system that runs partly in slate.

Ennepetal

The Heilenbecker Höhle is a large cave with a branched passage system that runs partly in slate.

Characteristics

  • Type: Cave
  • Municipality: Ennepetal
  • Record updated:

Caves are protected biotopes (§30 BNatSchG). Caves used by bats as winter quarters must not be entered from 1 October to 31 March (§39(6) BNatSchG), except show caves and their developed parts.

Location

The Heilenbecker Höhle is located on Heilenbecker Straße, at the junction with Kahlenbecker Straße.

Map

Approximate position

Entrances

Always verify coordinates and access conditions before setting out.

  1. Heilenbecker Höhle

    51.294558, 7.343350
Download all entrances as GPX

Description

Morphology

It is a large cave with a length of approx. 3970 m. The cave has a branched passage system and runs partly in slate (formation boundary). It lies in the Upper Honsel Beds (Middle Devonian). In the cave, joint fissures are visible as well as a glacial overprinting of the contents.

Speleothems

In the cave, stalactites, cryogenic formations, calcite, aragonite, iron bloom, gypsum and excentriques are visible.

Hydrology

In the cave, lakes are visible.

Other details

In the cave, fossils are visible. Along the road, a continuous profile from the red slate at the base to the reef limestone is visible.

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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