This castle on a hill above the village Aarburg was built to overlook and control the narrow river passage of the Aare. The first small castle was built in the early 12th century. The castle was upgraded to a 400 meter long fortress by the city of Bern between 1659 and 1673. Since the 18th century this fortress was used as a prison. Because if it's history the Aarburg castle is classified as a Swiss heritage site of national significance.

These long exposure pictures were taken during sunset and blue hour.

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