Zyklopensteine, Natural monument and blockfield near Aachen, Germany and Raeren, Belgium
The Cyclopean Stones consist of fifty stone blocks scattered across one hectare in the southern Aachen forest along the German-Belgian border.
The natural monument received protection status on July 6, 1998, becoming part of the protected landscapes of Belgium's German-speaking Community.
The geological formations derive their name from ancient mythological creatures, with local tales suggesting the stones were thrown by an enraged cyclops.
Visitors can freely access the site throughout the year by following marked trails through the forest from both the German and Belgian sides.
The stones formed from unconsolidated Upper Cretaceous sand, known as Aachen sand, which petrified through quartz transformation under tropical climate conditions.
Location: Raeren
Location: Aachen
GPS coordinates: 50.72127,6.09624
Latest update: May 27, 2025 17:42
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