Castle of la Roca Monument · la Roca del Vallès, Vallès Oriental, Barcelona The castle of la Roca, which gives its name to the municipality of la Roca del Vallès (Vallès Oriental), is first mentioned in surviving documentation in the year 1030, when the lords of the place were Arnau Mir and Ramon Guillem de Sarroca, together with the latter's daughter, Guillerma. It was later acquired by Ramon de Cabrera, and in 1287 Pere Marquès is recorded as its lord; his descendant Pere Arnau Marquès sold it in 1405 to Ramon de Torrelles, lord of Rubí. Its present owner is Antoni Rivière i Manén. Photo: 1997 (CC BY-SA 3.0) What to see and do in la Roca del Vallès