Ferrería de San Blas, Industrial heritage site in Sabero, Spain.
Ferrería de San Blas is an iron forge in Sabero featuring neoclassical buildings, large halls, and remnants of blast furnaces from the 19th century. The complex shows the original layout of production areas and supporting structures from when it operated.
Built in 1847 by the Palentino-Leonesa Mining Society, it operated the first coke-fired blast furnaces in Spain until closing in 1862. Its shutdown marked the end of an important phase of industrialization in the region.
The building now houses the Museum of Iron and Mining of Castile and León, where visitors can see machinery, tools, and objects from the region's industrial past. The name refers to Saint Blaise, traditionally associated with craftsmanship and protective occupations.
The site is accessible on foot and signage guides visitors through the different areas of the complex. The museum has four exhibition zones with interactive displays covering construction, valley history, operations, and the mining basin.
The facility produced iron goods distributed to markets in León, Palencia, Valladolid, and Madrid through railway stations in Sahagún and Mansilla de las Mulas. This shows how crucial rail and water transport were to the province's economy.
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