Castle of Sales Monument · Sales de Llierca, Garrotxa, Girona Sales castle, from the 11th-15th centuries with a central tower and a circular south-west tower 10 m high, overlooks the Fluvià valley from the foothills of les Entreperes; partly in ruins, it has been an Asset of National Cultural Interest since 8 November 1988 (BCIN 1386-MH). Photo: Antoni Grifol (CC BY-SA 3.0) What to see and do in Sales de Llierca