The occupation of the region continues throughout the medieval period, especially the hill of Castelo de Matos. Strong mark on the landscape and the identity of Baião because it was the place chosen by the lord of this territory for the construction of the castle that in the middle of the century. XI commanded the destinies of the Land of Bayam.
Castelo de Matos, Ovil
Baião
It was a wooden fortification, destroyed by fire, in the ashes of which was found the spur of a knight, a unique example of the period of the Christian reconquest known until then in all the national territory.
Source: https://www.visitbaiao.pt/