In this village was one of the fourteen terrestrial or "dry port" customs that came into existence in Galicia from, as early as the sixteenth century, under the reign of Felipe II. In Cádavos, one of the "authorized routes" began, that is, subject to the Royal Treasury, which united the Kingdom of Spain with the Kingdom of Portugal.
The house of Ceballos is an old manor house built in two-story stonework. It has a gangway under a semi circular arch and upon it is a stone coat of arms flanked by two open doors lengthened and decorated with mouldings.
But the most beautiful coat of arms is located in a traditional house located at the foot of the temple, where a heart is carved containing three horizontal sabre stripes, distinctive of the Castilian family Ceballos.
In the parish church we can enjoy a calvary painted on the main altar, with a splendid golden baroque side altarpiece and also the decoration of the triangle arch that separates the nave from the presbytery.
Galician cádavo is the Castilian cava, that is, the stalk of the gorse or heather (Erica arborea) that is burned, hence the name of the parish.