Kastels, Medieval fortress in Graubünden, Switzerland
Kastels is a stone fortress built on elevated terrain in Graubünden with thick defensive walls and multiple towers positioned for observation. The complex uses the hillside layout to create natural defensive advantages over the surrounding valleys.
The fortress was founded in the 11th century as a defensive stronghold to protect regional trade and repel attacks. It remained a strategic center for controlling movement through the valleys for many generations.
The fortress shows how medieval communities protected their territory and controlled trade routes through mountain valleys. Its design reflects the practical knowledge and engineering skills that residents needed for survival in this region.
The site is accessible by hiking trails and features information signs about its structure and past uses. Visitors should expect varying ground conditions and exposure to changing weather due to the elevated hillside location.
The fortress preserves sections of original stonework where visitors can see how medieval workers built massive walls without modern equipment. These ancient stone joints reveal the craftsmanship and construction methods of builders from nearly a millennium ago.
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