The capture of Estada by the Infante Pedro Historical milestone · Estada, Somontano de Barbastro, Huesca The future Peter I conquered this stronghold on the Cinca, one of the first steps of the Aragonese advance over the plain that would culminate with the fall of Monzón two years later and that of Barbastro in 1101. 1087 Photo: Basotxerri (CC BY-SA 4.0) What to see and do in Estada