A dramatic partial collapse at Spain’s historic Castle of Escalona in Toledo province has raised fresh concerns over the preservation of medieval heritage structures, after one of the fortress’s ancient towers suddenly gave way on Saturday.

According to local authorities, a section of one of the castle’s four main towers collapsed on the morning of March 14, sending large chunks of stone and masonry crashing into the courtyard below.

The collapse occurred shortly before or during visiting hours, when tourists and residents were gathered near the entrance to the historic site. Witnesses reported hearing loud cracking sounds moments before the structure gave way, followed by a cloud of dust rising from the debris.

Fortunately, no injuries were reported. Security personnel and staff at the site quickly moved visitors away from the affected area, preventing what officials said could have turned into a serious tragedy had the collapse occurred later when the courtyard was more crowded.

However, the falling debris caused material damage to several vehicles parked nearby, though none of the cars suffered major mechanical damage and were later removed from the site. ‘

Emergency services, including firefighters and police, arrived shortly after receiving an alert from witnesses around mid-morning and conducted a thorough inspection to ensure that no one was trapped under the rubble.

Authorities have since cordoned off the entire monument as a precaution while engineers and heritage experts evaluate the structural stability of the remaining sections of the castle. Officials warned that there could still be a risk of additional collapses due to the weakened internal walls and exposed stonework.

Preliminary assessments suggest that recent heavy rainfall in central Spain may have worsened existing cracks and structural weaknesses in the centuries-old fortress, contributing to the tower’s collapse. Investigators are now examining whether long-term erosion, humidity and aging mortar also played a role in the structural failure.

The Castle of Escalona, located in the Castilla-La Mancha region, is one of Spain’s largest and historically significant medieval fortresses. Built on a plateau overlooking the Alberche River, the site dates back centuries and played a strategic role during the Reconquista and later Castilian conflicts. The monument has been officially recognized as a protected cultural heritage site for more than a century.

In recent years, local authorities had begun efforts to revive the castle as a tourism and cultural hub after it was transferred to municipal ownership. The fortress reopened to visitors in 2025 following restoration work.

Following Saturday’s collapse, Spain’s heritage officials are expected to conduct a full structural survey to determine whether the damaged tower can be reconstructed and what urgent conservation measures are needed to protect the remaining sections of the historic monument.