Grasburg Castle

Grasburg Castle is a ruined castle in the municipality of Schwarzenburg of the Canton of Bern in Switzerland. It is the largest castle ruin in the Canton of Bern. It is a Swiss heritage site of national significance.
According to legend, the first castle on the site was built by a Roman hunter who saw the massive sandstone spire on an island in the Sense river. He saw a red deer on the cliff over the river and went to catch it. As he rode after the deer a dragon roared out of a cave, but the hunter quickly killed the dragon. The deer then walked up to the hunter and offered his life to the hunter. The hunter allowed the deer to go free and the deer gave him possession of the area. The hunter than built the first castle on the top of the sandstone spire on the island. A bridge was built over the river and became part of the Roman road from Aventicum. The legend continues that after the Roman Empire collapsed, a Walliser robber took over the old Roman castle as a new hideout. He began to hire local villagers to help him expand the castle toward the east. Initially he acted friendly and kind, but when the workers complained of the work or asked for pay, he murdered them and mixed their blood into the mortar. This, according to legend, is why the mortar on the east side is particularly hard. While the Romans lived in the area, there is no archeological evidence of a Roman or early medieval fortification.

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