The San Antonio Flour Mill Museum, located next to the dock of the Castile Canal in Medina de Rioseco, offers a unique perspective on the industrial development linked to this hydraulic infrastructure. Built in 1852, this former flour mill emerged during a period of economic boom driven by the completion of the canal, which facilitated both the transport of grain and the use of hydraulic power.
Its main function was wheat milling, harnessing the canal’s waterfall to power a turbine that transmitted energy throughout the building via a system of shafts and pulleys. This mechanism enabled a complete industrial process, from cleaning the grain to transforming it into flour.
The building exemplifies 19th-century industrial architecture: a multi-story structure—up to five stories in its main section—with brick walls resting on a stone base, an interior timber frame, and a tiled roof. Its distinctive feature is the vertical openings with curved finials, which provide natural light to the different production levels. Now a museum, this space offers insights into the workings of the old flour mills and their close connection to the canal, constituting a valuable example of industrial heritage linked to the region.
The visit is particularly interesting due to its location, right on the canal, where you can enhance your experience with a stroll along the dock or a walk along the nearby paths. In this way, the museum becomes an essential stop for anyone wanting to learn how hydraulic engineering and industry transformed the Castilian landscape.