Römische Kreisgrabenanlage auf der Sparrenberger Egge, Archaeological site in Bielefeld, Germany.
The Roman circular enclosure on Sparrenberg Ridge is a circular earthwork about 32 meters across that contains remains of an unfinished Roman watchtower. The structure displays the typical design of Roman fortifications from that period.
Archaeological excavations in 1989 uncovered shoe nails and a coin suggesting Roman military presence around 32-31 BC. These finds confirm that this region was once part of a frontier between Roman and Germanic territories.
The site shows how Romans made their authority visible in this region and how they controlled routes through the land. Visitors can still understand today what strategic role this place held back then.
The site is located on Sparrenberg Ridge and is freely accessible, with information panels on site explaining the archaeological findings. Visitors should note that the site is outdoors and can be slippery in wet weather.
The watchtower was deliberately left unfinished, giving archaeologists a rare glimpse into Roman building processes and construction techniques. The incomplete project shows exactly how Roman workers assembled their structures.
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