Munterley, Dolomite rock formation in Gerolstein, Germany.
Munterley is a dolomite rock formation rising steeply from the Kyll Valley floor with nearly vertical stone walls. The outcropping forms part of the Gerolstein Dolomites cluster, a series of similar limestone peaks scattered across the valley landscape.
This limestone formation developed roughly 380 million years ago during the Devonian period when the region was a shallow subtropical sea near the equator. The rock accumulated as marine organisms built reef structures in warm water over long periods of time.
The protected geological site integrates with the Vulkaneifel Nature and Geopark, preserving natural heritage within the Eifel mountain range system.
Several hiking trails provide access to and around the rock formation, connecting to a marked circular route through the Gerolstein Dolomites area. The paths are open to walkers of different abilities, though sturdy footwear helps with uneven ground and slopes encountered along the way.
The rock contains fossil remains of ancient sea animals like stromatopores and corals that originally formed the reef system. Careful observers can spot impressions of these organisms preserved in the stone, offering a direct view of life from hundreds of millions of years ago.
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