Château de Peyrepertuse

Peyrepertuse is often grouped with the so-called Cathar castles of southern France because of its region and medieval conflict history. After the 1258 Treaty of Corbeil, it was strengthened as a French royal border fortress.

The fortress is in Aude, in southern France. It sits on a high limestone ridge, which gives it its dramatic cliff-top appearance.

The 1258 Treaty of Corbeil helped define the border context between France and Aragon. After that, Peyrepertuse became part of a fortified royal frontier system.

It can be demanding because the site is high, exposed, and spread along a ridge. The castle's defensive value came from exactly that cliff-top position in Aude.