Aceñas de Olivares, Medieval watermill in Barrio de Olivares, Zamora, Spain.
Aceñas de Olivares is a watermill complex in the Barrio de Olivares with three mills arranged on two levels, with grain processing and textile machinery located on the lower floor. The upper level now houses educational displays and information panels that explain how the mills operated during their working years.
The mills first appear in written records from 986, and they reached peak production capacity during the 13th century. Over later centuries they continued to serve their purpose until they eventually ceased operation as working mills.
The mills reflect how religious institutions directly benefited from industrial production, since the Cathedral Chapter controlled them. This connection shows the economic power that the Church held over daily life and local crafts.
The site includes information panels and video displays throughout the building that explain the grinding process and how the water system operated. You can walk through all sections to see the old machinery up close and understand how everything worked together.
The building underwent major restoration in 1994, when the city council transformed it into an interpretation center dedicated to understanding traditional water-powered industries. This new purpose allowed the structure to survive and become accessible to visitors while preserving its industrial heritage.
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