Heidenwall, Medieval ring fort in Oldenburg, Germany
Heidenwall is a medieval ring fortress near Oldenburg with a circular defensive structure made of wooden foundations and earthen walls about 54 meters across. The structure rises from the ground like a natural mound, showing the typical defense design of this early period.
Archaeological excavations in 2007 revealed that the fortress dates back to 1032, with additional fortifications added around 1042 during a second building phase. These two construction phases suggest a repeated need to reinforce and improve the defensive installation.
The name Heidenwall emerged when later generations in the region forgot the fortress's original purpose and function. Today the name preserves a vague memory of pagan times, though its exact meaning has long been obscured.
The fort sits near the Hunte River and offers good views of the historical landscape. Visitors should wear sturdy shoes since the moist soil can make the surface wet and muddy.
The moist soil has preserved the wooden elements of the fortress, making it an exceptional site for studying medieval construction methods. This wood preservation is rare and offers an unusual glimpse into the craftsmanship of earlier times.
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