The conquest of Castielfabib Historical milestone · Castielfabib, El Rincón de Ademuz, Valencia Image of Castielfabib, not of the place itself. Peter II of Aragon took the stronghold in 1210 after a long siege; perched on a crag dominating the Ebrón, it remained one of the valley's military keys and kept its status as a town over the centuries. 1210 Photo: castieler (CC BY-SA 4.0) What to see and do in Castielfabib