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Wise Pilgrim APPCastro Marim is a pleasant town with a 13th-century castle, a more recent military fortress (the Forte de Sao Sebastiao), and a restored windmill. The castle sits high above the salt flats and the Guadiana river, with views to Spain. The Reserva Natural do Sapal de Castro Marim stretches to the south — a protected area of salt marshes important for flamingos and other wading birds.
Castro Marim has basic services — small supermarkets, cafes, a pharmacy, and accommodation.
Leaving town, an alternate route that becomes a dirt path among pine trees with nice views over the countryside is preferable to the official camino. It's shared with the GR15 hiking trail, so look for the red-and-white striped markings.
