In 1355, the castle was restored to its defensive state and Henri de Transtamare, pretender to the Castillian throne, routed at Navarette, was authorized by the king of France Charles V to take refuge there.
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The castle is one of the "Five Sons of Carcassonne" along with the castles Quéribus, Puilaurens, Termes, and Aguilar, all situated atop 'unassailable' rocky peaks.
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The situation in the region was unclear until the signing of the Treaty of Corbeil in 1258 which liberated Catalonia and Languedoc.
His county comprised Besalú, the Fenouillèdes, Capcir, the Baridà, the valley of Orillas, that of Lillet, the Berguedà, the Ripollés, the Vallespir, the upper plain of Roussillon from Illa de Tet to Sant Esteve del Monasterio, Conflent, the Donasà, and Peyrepertuse.