This imposing castle dates from the fourteenth century, and was built by Don Gonzalo de Ulloa Ozores. For several years it was the scene of fighting between Pedro I and Enrique de Trastamara. Later it was also used in the battles between the nobility and the archbishop of Santiago, Don Alonso de Fonseca y Acevedo.
In 1484 it passed to the Earls of Monterrei later, in 1895, the Duke of Alba sold the fort to Don Jose Soto, a resident of Palas de Rei, by 27,000 pesetas, a situation that created a stir in the area. Today it is owned by the regional government, which bought it from the missionary brothers of poor patients of Vigo for 5 million euros. (Automatic translation)