Ruins Altenberg, Medieval castle ruins in Füllinsdorf, Switzerland.
Altenberg is a medieval castle with a rectangular tower house and thick stone walls situated on elevated ground near Füllinsdorf. The structure includes remains of a kitchen, living quarters, and washing facilities enclosed within defensive walls.
The castle was built around the year 1000 at a boundary between two kingdoms and was reconstructed after a fire around 1050. These early centuries shaped the stone structures visible today.
The castle reflects the daily life of its inhabitants and their connections to distant places. Visitors walking through the ruins can sense how people here were linked to trade networks and broader medieval society.
The site is open for visitors to walk through and explore on foot. The surroundings provide clear views of the ruins and their layout.
Excavations uncovered fish bones from coastal regions, revealing that inhabitants had access to long-distance trade networks. This discovery shows connections to the wider medieval world far beyond the local area.
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