Timeline

Heritage classified

Origin and history

The Drils Mill is a hydraulic mill located in Dienne, Cantal department, in the Auvergne-Rhône-Alpes region. Built in 1807, it illustrates the rural industrial architecture of the early 19th century, with an innovative system for the period: a horizontal wheel with augets operating two grinding wheels. This type of mill, designed to grind cereals, played a central role in the local economy, allowing the inhabitants to turn their crops into flour without dependent on large urban mills.

The mill operates thanks to a complex hydraulic system, still partially visible today. It includes a fixed lower wheel mounted on a lintel, topped by a moving wheel driven by a vertical axis connected to the wheel. The stone elements of the two mechanisms remain, as does the network of channels (pief, masonry restraint, discharge and leakage), demonstrating the ingenuity of pre-industrial techniques. This technical heritage is complemented by an official protection: the mill, including its mechanism and hydraulic system, was inscribed in historical monuments by order of 19 May 2003.

The preservation of the Drils mill offers a rare example of a horizontal wheel mill, a technology less widespread than vertical wheels in France. Its inscription reflects the desire to preserve the remains of traditional milling activity, essential for understanding the lifestyles and craftsmanship of Cantal in the 19th century. Today, the site remains a material testimony of the agricultural and hydraulic practices of a time when the mills rhythmized the life of the Auvergne countryside.

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