Versão portuguesa aqui. GPS 39.396035307889896, -7.379061489825539 The Castle of Marvão, in Alentejo, is located in the village and parish of Santa Maria de Marvão, municipality of Marvão, district of Portalegre, in Portugal.The castle is part of the Natural Park of Serra de São Mamede, on the north slope of the mountain, in a dominant position over the village and strategic over the border line, controlling, in the past, the passage of the Sever river, a tributary of the Tagus river. This fa...