Castle of Tudela, Medieval castle in Olloniego, Spain.
The castle of Tudela is a medieval fortress in Olloniego with a central tower and partial walls positioned on a hill overlooking the Nalon Valley. The site shows evidence of a double moat system and defensive ramparts that define its military design.
King Alfonso III ordered major modifications in the 9th century to strengthen the fortress and secure royal control over the region. The structure was demolished on orders from King Juan I of Castile in 1383, marking the end of its military importance.
The castle served as a protective stronghold for the Asturian royal court, and its name became tied to nearby settlements that still carry traces of this connection. This role shaped how the region developed and how people understood power and defense in medieval times.
The site is accessible by foot paths starting from Olloniego, which are clearly marked from the nearby town. Good walking shoes are recommended because the terrain is uneven and parts of the ruins sit on steep slopes.
The name Tudela comes from an old word meaning guardian or protector, reflecting the fortress's role in safeguarding the royal court. This name became so important that two nearby towns took their names from this very castle.
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