Klusenstein Castle, Medieval castle in Hemer, Germany
Klusenstein Castle is a stone fortress perched on a 60-meter limestone cliff overlooking the Hönne river valley and a narrow passage below. The structure includes a timber-framed barn from the 18th century that once housed livestock.
The castle was built in 1353 by Gerhard of Plettenberg as a border fortification between the territories of Mark, Cologne, and Arnsberg. It controlled a strategically important position along a key regional trade route.
The castle structure includes a timber-framed barn from 1749, which was used as a cattle house and underwent restoration for its 650th anniversary.
The castle sits on private property managed by an industrial company, so visiting up close may not be possible without permission. A railroad line runs directly below the cliff, offering views of the rocks and fortress from the train.
A cave system stretching over 50 meters lies beneath the castle, a feature that has long fascinated local people. Local tales mention hidden passages through the rock, though their exact purpose remains unclear.
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