Piera Castle dates back to at least the 10th century. Perched at the top of a small hill, it overlooks the valley of the Anoia river where it flows into the Penedès region.

Descobreix l'església i les pintures romàniques de Sant Valentí a Les Cabanyes. Història al cor del Penedès

Claramunt Castle stands at the top of a hill, overlooking the point where the gorge of the Anoia river opens into the Òdena basin.