La carta real de privilegio de Carlos IV Historical milestone · San Carlos del Valle, Campo de Montiel, Ciudad Real Image of San Carlos del Valle, not of the place itself. Charles IV signed in 1800 the charter that separated from Membrilla the settlement born beside the sanctuary of the Santo Cristo del Valle and turned it into its own municipality; its regular layout is due to the enlightened plans of the time of Charles III. diciembre de 1800 Photo: Roberto Abizanda (CC BY-SA 3.0) What to see and do in San Carlos del Valle