Viewpoint of el Cinca en Monzón Nature · Monzón, Cinca Medio, Huesca Image of Monzón, not of the place itself. The castle of Monzón stands on a hill that overlooked the ford of the Cinca; from there Pedro I began the conquest of the stronghold in 1089, and today the promontory offers a viewpoint over the river and the fertile lowlands. Photo: Willtron (CC BY-SA 4.0) What to see and do in Monzón