Castle of Vilar Maior

The Castle of Vilar Maior stands on a rocky plateau that overlooks the valley of the Rio Cesarão as well as the settlement below. The fortress utilizes the natural landscape for defense, with sheer cliffs on the eastern side and steep slopes to the west. Its plan is irregular and oval in shape, characteristic of a mountain fortress built in the Romanesque and Gothic styles.

At the heart of the castle is a rectangular keep tower rising approximately 35 meters tall over three levels. This tower, almost attached to the outer wall, is roofless and lacks its original battlements. Its northern face features straight, narrow arrow slits designed for archery defense, while the eastern side contains embrasures equipped with gun ports, framed by projecting rectangular stone frames. The southern facade includes additional embrasures and a doorway on the second floor topped by a pointed, broken arch. Access between the keep and battlements is provided by a series of five staircases. Many stones bear abbreviations associated with the Knights Templar, indicating their participation in the castle’s construction or occupation.

The main entrance to the castle is distinguished by a broken barrel vault—a curved ceiling segment—and is secured by large, monumental hinges. A secondary gate features a broken bow (a pointed arch) and a full round arch, both preserving ornate stone hinges. Surrounding the courtyard is a remarkable circular cistern, 35 meters in diameter, which is uncovered. This reservoir was vital for collecting and storing water within the castle walls.

Originally, the fortification included a double line of defensive walls, providing multiple layers of protection. A barbican was constructed to reinforce the main access point. Beyond these, traces of a third wall survive near the stairs leading to the old town hall and along adjacent streets, indicating the castle’s extensive fortifications extended into the town perimeter. Portions of these walls are incorporated into the current Museum of Vilar Maior.

The battlements that crown the curtain walls have a distinctive rounded profile. Several commemorative inscriptions are carved into the stone, most notably on the gate called Rua do Arco. This inscription dates from the late 13th century and records construction ordered by Alfonso X of Castile, reflecting the contested history between neighboring kingdoms.

Ruins of the town’s defensive walls and three watchtowers form part of the complex, although by the 18th century these structures were already in decline. Noteworthy are the scaffolding remains around the keep tower, designed to allow defenders to fire arrows or drop objects straight down on attackers, similar in function to machicolations found in other medieval fortifications. These features highlight the strategic thought behind the castle’s defenses throughout its active use.