Castle of Olmillos de Sasamón, Medieval castle in Olmillos de Sasamón, Spain.
The Castle of Olmillos de Sasamón is a stone fortress from the 15th century, set on the Castilian plateau and featuring four corner towers, a walled courtyard, and thick outer walls. It combines the layout of a defensive structure with that of a noble residence, making it one of the few examples of this type still standing in the province of Burgos.
Don Pedro de Cartagena, a nobleman from Burgos who converted from Judaism, began construction in 1446 as a private residence on the edge of Sasamón. The building suffered serious damage in the early 19th century when it was set on fire during armed conflict in the region.
The crest of the Cartagena family is still visible above the entrance and gives a sense of how noble families marked their territory in 15th-century Castile. The inner courtyard reflects the way these households mixed daily living with the need for protection.
The castle now operates as a hotel, open to guests who want to stay overnight, dine, or attend events within the old walls. It sits close to Burgos and works well as a stop for those following the old pilgrimage route toward Santiago de Compostela.
The man who built this fortress came from a family of conversos, Jews who had converted to Christianity, at a time when this background shaped how people were seen in Castilian society. Building such a residence was partly a way of showing belonging to the Christian noble world of the time.
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