Portillo Castle: A Medieval Fortress in Valladolid, Spain

Portillo Castle
Portillo Castle
Portillo Castle
Portillo Castle

Site at a Glance

Rating
4.5
Popularity
Medium
Country
Spain
Primary era
Medieval
External website
Open
Eras represented
Medieval
Civilizations
Crown of Castile
Site type
Military
Remains
Castle
On this page14 sections

History

Portillo Castle is a medieval fortress in Portillo, Spain, whose first secure documentary references belong to the fourteenth century. Its earliest history remains uncertain, although a tenth-century fortification connected with Moorish incursions has been proposed without firm scientific support. The major surviving foundation phase probably began after Infante Tello recovered Portillo following the civil war between Pedro I of Castile and his half-brother Henry of Trastámara. The castle later acquired the form associated with the fifteenth-century Valladolid school of lordly fortifications, a regional style intended to express the power and wealth of noble owners.

The fourteenth-century fortress

Infante Tello’s will of 1370 referred to Portillo and its fortress. His brother, Henry II, then altered the inheritance so that one of Tello’s sons would receive the town and castle. In 1378 the Crown assigned their government to Tello’s son Enrique of Castile, Duke of Medina Sidonia. After Enrique died in 1404, Portillo, its surrounding district, and the castle returned to the Crown of Castile.

Portillo entered the dowry of Infanta María of Trastámara in 1409. She sold it to her brother, King John II of Castile, in 1415. During John II’s reign, control of the castle shifted repeatedly as royal supporters led by Álvaro de Luna, John’s principal favourite and constable of Castile, struggled with the Infantes of Aragon, powerful members of the royal family.

Conflict under John II

On 21 September 1423, John II granted Portillo and its fortress to Diego Gómez de Sandoval y Rojas, Count of Castrojeriz, as a reward for military service. Sandoval later supported the Infantes of Aragon, and the king confiscated his lordships, including Portillo, in 1429. On 11 September 1438, John II placed the castle in the care of his steward Ruy Díaz de Mendoza.

The political crisis soon deepened into civil conflict. The Infantes of Aragon imprisoned John II and annulled royal grants made after 1 September 1438. Sandoval consequently recovered Portillo, and John II was himself briefly held in the castle before escaping with help from his supporters. After the Castilian victory at the Battle of Olmedo on 19 May 1445, John II granted Portillo and the fortress to Álvaro de Luna. When Luna fell from royal favour, he was imprisoned at Portillo for two months in 1453. He was then taken to Valladolid and executed in the Plaza Mayor on 2 June 1453.

Royal rebuilding and the Benavente lordship

John II died in 1454 and left Portillo and its lordship to his son, Prince Alfonso, who never became king. Henry IV, Alfonso’s brother and successor, reclaimed the bequest during the noble revolts surrounding the succession. In 1465 Henry ordered extensive works, including the raising of the keep and the construction of a palatial building. These changes created the architectural character linked with the fifteenth-century Valladolid school.

In 1471 Henry IV granted Portillo and its castle to Rodrigo Alonso Pimentel, fourth Count of Benavente, after Pimentel changed sides and accepted the king’s cause following Prince Alfonso’s death in 1468. Pimentel added the surrounding wall, ditches, arms courtyard, well, access stairs, and underground chambers. After Henry died in 1474, Pimentel supported Isabella of Castile against Princess Joanna and Alfonso V of Portugal. The Portuguese captured him in 1475, and Portillo and its fortress were surrendered as part of the arrangement for his release. Ferdinand of Aragon later helped Pimentel recover the property and secured its title for him and his descendants.

The castle remained with the Benavente family thereafter. The last family member to live in the fortress died in the early seventeenth century. Administration then passed to household servants and executors, and ownership later reached the House of Osuna through marriage. During the Portuguese War of Restoration, the Benavente family reportedly brought its archive to Portillo for safekeeping.

Ownership, protection, and restoration

In 1865 the State, which had confiscated the property and held it through the War Department, offered the castle at public auction. Bonifacio Taboada, parish priest of Arrabal de Portillo, acquired it for 15,000 reales, payable in ten instalments. After his death, the property was auctioned again in 1899 in seventeen urban shares. Victoriano Chicote bought eight shares and later obtained four more.

By the late nineteenth or early twentieth century, the castle had passed to Juan del Río, a farmer and wealthy landowner. His son, the physician and histologist Pío del Río Hortega, later owned it and bequeathed it to the Faculty of Philosophy and Letters. The property subsequently passed to the University of Valladolid.

Portillo Castle was declared a Historic-Artistic Monument belonging to the National Artistic Treasury on 3 June 1931. It is protected as a Spanish Property of Cultural Interest in the monument category, together with the general protection established by the decree of 22 April 1949 and Spain’s Historical Heritage Law 16/1985. Restoration has recovered and rehabilitated the well and its access route, while other parts of the castle remain only partly restored.

Remains

Portillo Castle occupies the top of a hill overlooking Tierra de Pinares. Its plan is square, with an inner castle and a square outer enclosure, or barbican, an additional defensive circuit protecting the principal fortress. The keep stands at the southwest corner facing the town. Both enclosures were crowned with battlements whose merlons rise about 2 metres above the wall-walk.

Enclosures, gates, and defenses

Outer enclosure and entrances

The barbican has towers at its corners and at the centres of its curtain walls. Three entrances opened through the north, south, and west sides, and each was flanked by towers. The north gate faces the open countryside on the steep side of the hill. The west gate served as the principal entrance and was protected by the keep. The deep ditches added by Pimentel have disappeared, while the steep northern side provided a natural defensive advantage.

West defensive passage

The west entrance follows an offset, dog-legged plan designed to complicate an attack. Its outer arch is semicircular, while the inner arch is pointed. A projecting semicircular guard structure rises above the entrance. Beyond the first gateway, the route passes through a small intermediate court and then reaches a second offset gate leading into the main inner courtyard. Remains of the portcullis, a vertically sliding defensive gate, survive at this second entrance.

The approach includes a defended passage and a small court arranged to trap attackers who had reached the second gate. From there, the route continues toward the central arms courtyard. The walls contain straight and cruciform loopholes for bows and crossbows, along with circular openings for arquebuses, early firearms introduced into the castle’s defenses during the fifteenth century. Stone machicolations, projecting structures through which defenders could attack people below, extend from corbels above the walls.

Fourteenth-century inner castle

The oldest surviving part is the entire ground floor of the inner enclosure, dating from the fourteenth century and attributed to works associated with Infante Tello. Pointed arches and Gothic vaults rest on transverse arches. This early construction was followed by Henry IV’s renovations, especially the raising of the keep and the alterations that gave the fortress its later Valladolid-school appearance.

Arms courtyard and well

Arms courtyard

The central arms courtyard was altered by Pimentel in 1470 and surrounded by arcaded galleries with basket-handle arches. A surviving section on the east side contains five octagonal columns, each slightly more than 4 metres high, with very simple bases. Rooms, halls, and other domestic spaces were arranged around the courtyard. The west side provided access to the upper floors by a spiral staircase.

Well and underground chambers

A well occupies the centre of the arms courtyard. Pimentel ordered it to be excavated and equipped with its access system, which descends more than 30 metres. The route begins in the north wing, where stairs turn at a right angle before joining a spiral staircase that winds around the shaft.

About 113 steps lead to three vaulted chambers at different levels. Wall niches line the chambers, although their purpose remains uncertain. Water continues to filter into the well from the subsoil. The well, its stairway, and the associated chambers have been restored in part.

Keep

The keep measures approximately 13 metres on each side and rises 28 metres high. Its exterior is austere, with little decoration apart from a Gothic window with an ogee-shaped head and the coats of arms of the Count of Benavente above four other windows. Three repeated shields appear above each of those windows. A plaque above the west entrance commemorates Pío del Río Hortega.

Access to the keep is provided by a spiral staircase that begins at the second floor and the wall-walk. It rises toward the right, a defensive arrangement intended to hinder an attacker’s use of a sword while climbing. The staircase follows the northeast corner to the roof and does not connect directly with the first or third floors. Internal fixed or movable stairs connected the different levels.

The oldest room in the keep is the ground-floor chamber known as the Chamber of Don Álvaro, or the Royal Room. Ribbed vaults and stone arches rest on a continuous impost, while an arrow slit provides limited light. Another room has a groin vault. The keep was formerly finished with battlements, and its surviving spaces retain the principal architectural features of the castle’s royal and noble phases.

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