The history of the Vale Barqueiros Estate dates back to the 14th century and its origins are strongly linked to the Order of St. Benedict of Aviz, founded by the Knights Templar. At that time, the Castle of Seda, currently a village in Alto Alentejo, was constantly under threat of attack as it represented an important landmark of our country and a symbol of independence. Due to this situation, the Order of St. Benedict of Aviz ordered the creation of a military reserve near the Castle of Seda so that in case of emergency they could rescue the fortification as quickly as possible.

It was then that the Vale Barqueiros military reserve emerged. It was given this name because, in order for the soldiers to reach the aforementioned castle, it was necessary to cross the Ribeira de Seda river, and for this purpose there were boatmen, individuals with small boats who transported the soldiers to both banks.