Castle and Walls of Monells Monument · Cruïlles, Monells i Sant Sadurní de l'Heura, Baix Empordà, Girona Image of Cruïlles, Monells i Sant Sadurní de l'Heura, not of the place itself. The castle of the 13th-15th centuries and the walled enclosure of Monells, one of the best-preserved medieval ensembles in the comarca, beside its distinctive porticoed square. Photo: Enric (CC BY-SA 4.0) What to see and do in Cruïlles, Monells i Sant Sadurní de l'Heura