Built with stone blocks, it has three naves and three apses. The 17th-century tower has four sections. The second section ahs a balcony. The high choir, of the 15th century, has been attributed to Simón...
During the 1960s, archaeological excavations in the castle chapel were carried out. The results of them were ignored, although, if as Gordaliza y Canal mentioned is a Romanesque temple, and it is possible...