The consecration of the collegiate church of Alquézar Historical milestone · Alquézar, Somontano de Barbastro, Huesca Towards the end of the 11th century, in the time of Sancho Ramírez, the church built within the walls of the old Islamic alcázar of Alquézar was consecrated, sealing the conversion of the frontier fortress into the religious seat of a wide territory of the eastern Somontano. noviembre de 1099 Photo: Jl FilpoC (CC BY-SA 4.0) What to see and do in Alquézar