Ruine Altenberg
Füllinsdorf, Switzerland, Switzerland
Ruine Altenberg is an early medieval castle ruin perched on a ridge above Füllinsdorf in the canton of Basel-Landschaft, Switzerland, constructed around 1000 AD by high nobility to assert power over nearby villages like Füllinsdorf and Frenkendorf.
The fortress, one of the region's earliest, featured a central tower, ring wall, gates, and wooden structures, but was largely abandoned by the late 11th century after a fire around 1050, likely due to unstable ground or regional power shifts following Rudolf of Rheinfelden's death in 1080.
Excavated in the 1980s, the site revealed rich artifacts and was protected under soil for preservation, marking it as a key archaeological treasure of Switzerland's early castle-building era.
Location
Ruine, 4414 Füllinsdorf, Switzerland
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Ruine Altenberg is located in Füllinsdorf, Switzerland, Switzerland.
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