The castle served as a prison for notable historical figures, including the Bishop of Zamora, Antonio de Acuña, during the Revolt of the Comuneros.
The complex integrates a 13th-century defensive wall that once protected the entire town of Cuéllar.
It is one of the few Spanish castles that operates as an active high school within its historic walls.
The interior displays decorative coffered ceilings, known as artesonados, dating back to the 16th century.
The courtyard features a unique mix of Renaissance galleries resting on older defensive foundations.
During the Spanish Civil War, the castle was repurposed as a military hospital and barracks.
Cuéllar Castle, also known as the Castle of the Dukes of Alburquerque, is a fortified palace located in the province of Segovia, Spain. The structure features a blend of architectural styles including Gothic, Renaissance, and Mudéjar elements. Originally built as a defensive fortress in the 11th century, it was later converted into a ducal residence. The castle currently houses a public educational institution, the IES Marqués de Lozoya, while simultaneously operating as a museum. Its massive walls enclose a central courtyard, the Patio de Armas, which serves as a venue for cultural performances. Visitors can access specific sections of the fortification, including the tower and historical halls, through guided tours organized by the local tourism office. The building is designated as a Bien de Interés Cultural, ensuring its preservation as a national monument.
The main entrance gateway, which captures the contrast between the stone fortifications and the town skyline.
Book your guided tour in advance through the Cuéllar tourist office, as access to the interior is exclusively via these sessions.
Wear comfortable footwear, as the castle grounds involve uneven stone surfaces and climbing spiral staircases.
Visit the castle’s rooftop section for unobstructed views of the surrounding Castilian plains.
Do not attempt to walk around the interior without a guide, as most areas are restricted due to the active school usage.
Guided tours are mandatory; the interior remains closed to casual walk-ins outside of tour groups.
