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Kallenloch

The Kallenloch near Walbach is a natural cave with several levels and seepage shafts that was sealed by the AKKH.

Engelskirchen

The Kallenloch near Walbach is a natural cave with several levels and seepage shafts that was sealed by the AKKH.

Characteristics

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 Kallenloch is located near Walbach within the Middle Devonian Hobraeck beds.

Map

Approximate position

Entrances

Always verify coordinates and access conditions before setting out.

  1. Kallenloch

    50.997756, 7.457169
Download all entrances as GPX

Description

Morphology

The Kallenloch has a passage length of 241 m, and the height difference is 23 m. The natural cave has several levels and seepage shafts with foreign scree.

Other details

Because of the mineralizations, medieval mining took place in the cave. The cave was sealed by the AKKH.

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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