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Natural monument

Historischer Steinbruch "Ahl" bei St. Johann

Natural monument · Eifel · open
Responsible for this content
Eifel Tourismus GmbH Verified partner  Explorers Choice 
  • Blick auf die Steilwand der Ahl
    / Blick auf die Steilwand der Ahl
    Photo: Svenja Schulze-Entrup
  • / Bizarre Felsformationen
    Photo: Svenja Schulze-Entrup
  • / Die imposante Felswand der Ahl
    Photo: Svenja Schulze-Entrup
  • / Blick auf die Ahl
    Photo: Svenja Schulze-Entrup
  • / Die Ahl und seine Natur
    Photo: Svenja Schulze-Entrup
  • / Tiere in der Ahl
    Photo: Svenja Schulze-Entrup
  • / Ausblick auf die umliegenden Wälder
    Photo: Svenja Schulze-Entrup

The historic quarry "Ahl" is located south of the municipality of St. Johann in the Vordereifel. The imposing rock forest rises steeply north of the Nettetal and is visible from afar due to its yellowish colour.

The historic quarry "Ahl" is located south of the municipality of St. Johann in the Vordereifel. The imposing rock forest rises steeply north of the Nettetal and is visible from afar due to its yellowish colour. The term "Ahl" is Germanic and means "protection, construction or house".

The "Ahl" originated about 400,000 years ago at the eruption of the Hochsimmer volcano, when a huge glowing lava flow buried the urtal of the river "Nette" under it. In the lava walls up to 40 meters high, the outflow of two streams into the Nettetal becomes clear, which led to a unique column formation of the lava and bizarre rock formations due to different cooling conditions. The crevices and scooping out in the rock are today home to rare animal and plant species.

Open from

open today
Open Apr 27, 2020 through Dec 31, 2029 from 00:00–23:45.
Die "Ahl" kann, je nach Witterung, ganzjährig besucht werden.

Coordinates

DD
50.348937, 7.187805
DMS
50°20'56.2"N 7°11'16.1"E
UTM
32U 371071 5578998
w3w 
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Arrival by train, car, foot or bike

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Historischer Steinbruch "Ahl" bei St. Johann

Kelberger Straße 26
56727 Mayen
Phone (0049) 2651 800 995 Fax (0049) 2651 800 920
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