Hamlets of Els Ibarsos and Els Rosildos Curiosity · Sierra Engarcerán, La Plana Alta, Castellón Besides the main village, the municipality extends into small outlying settlements and farmhouses scattered across the mountains, such as Els Ibarsos and Els Rosildos, evidence of the comarca's traditional dispersed settlement. Photo: JavierMunozF (CC BY 4.0) What to see and do in Sierra Engarcerán