Unspunnen Castle, Medieval castle ruins in Wilderswil, Switzerland.
Unspunnen Castle is a castle ruin in Wilderswil, Switzerland, set on a rocky rise near Abendberg and made up of a round central tower and sections of a ring wall. The remaining stonework is low but solid, and the layout of the old stronghold can still be read clearly from the ground.
The castle was built in the early 12th century to guard a key medieval bridge near Gsteig, close to Interlaken. It changed hands among noble families several times before the city of Bern took direct control in 1529.
The field next to the ruins is known as the place where Swiss folk traditions like wrestling and stone throwing were publicly celebrated for the first time. Standing there today, you can feel how the open space and the rocky backdrop made it a natural gathering point for people from the surrounding valleys.
The ruins can be reached via the Castle Path, which links the site to Rothenfluh and is open year-round at no charge. The path is clearly marked, but the ground around the walls is uneven, so sturdy footwear is a good idea.
The large stone used in the Unspunnen Festival competitions weighs over 175 pounds (around 80 kg) and is still kept near the festival field. Seeing it beside the crumbling walls gives a very concrete sense of what kind of strength the old games called for.
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