Castell de Claramunt stands at 453 meters on a hilltop above the Anoia river, overlooking La Pobla de Claramunt in Catalonia. Founded in the 10th century, it served as a critical defensive point controlling access to the Llobregat valley and Barcelona during the boundary struggles between Catalan counties and Al-Andalus. The castle remained the principal seat of the Claramunt family until 1306, then the Cardona family, who expanded it into an administrative center. Badly damaged in 1463 and again during the War of Spanish Succession in 1714, its weathered Romanesque walls and round towers preserve centuries of medieval warfare and political intrigue, though it has remained abandoned since the 18th century.