A fortified castle was already built as early as the Xlle century on the hillside of Mussy at the very place where the Vercingetorix reinforcing troups had gathered before laying siege to Alesia.
As a very rare testimony of the small military architecture in the Middle-age, the maison forte encloses a fort dating back to the XIIIe century, called the peep-hole tower, which reveals the defensive character of this fine architecture comple.
Knight Ponce of Mussy host duk Eudes in 1316.
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