Balsareny is a municipality in the North of the comarca of Bages in the province of Barcelona, Catalonia, Spain. It is situated in the valley of the river Llobregat, with its typical forests of Aleppo pines. It is connected by road with Súria and Avinyó. The name is thought to be derived from the Catalan words balç and areny; the castle and the village have their origins on an escarpment in a sandy plane. The first written mention of the settlement dates from 966.