Castle of San Martín de Valdeiglesias, Medieval fortress in San Martín de Valdeiglesias, Spain.
The Castle of San Martín de Valdeiglesias is a medieval fortress in the Sierra Oeste region featuring thick defensive walls, multiple towers, and a central keep. The structure combines both residential and military spaces, with its layout revealing how different sections served specific purposes over time.
The fortress was built in the mid-15th century by Don Álvaro de Luna to secure control over the region. It stands as a key example of medieval military architecture from the Castilla-León period.
The castle forms part of Madrid's network of fortifications, reflecting how military strength shaped regional identity. Its layout shows how defensive needs and daily living were intertwined within the same stone walls.
The location has visitor facilities including an information office and a wine shop featuring regional wines from the Madrid appellation. Visitors should wear sturdy shoes for navigating uneven floors and stairs throughout the interior sections.
The building demonstrates a rare combination of residence and fortress, with the central keep functioning as both a refuge and living quarters for its inhabitants. This dual purpose was less common than purely military structures and reveals the more complex role of noble families.
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