Dates
January 9, 2026
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THE MAN WHO LOVED WOLVES: Luis Mariano Barrientos, in memoriam.

Luis Mariano Barrientos was a pioneer in the study of the Iberian wolf in the northern plateau and the Sierra de la Culebra mountain range. His legacy is immense and deserves to be told. This documentary traces his personal and professional journey, marked by a deep passion for nature and a firm commitment to the conservation of the natural environment.

In the north of the Iberian Peninsula, there is a population of wolves that recolonized the cereal-growing plateau starting in the 1970s. It was then that various changes in human demographics and in the social perception of this species allowed some individuals to recolonize and establish themselves in these plains of what is now Castilla y León.

The late Luis Mariano Barrientos was a legend in the conservation of the Iberian wolf and a pioneer in the study of steppe wolves. His tireless work has been crucial in ensuring that these steppe wolves still roam the steppes that Luis Mariano Barrientos so fiercely defended.

Beyond its biographical portrait, the documentary conveys a message of love for nature, a defense of biodiversity, and recognition of those who dedicate their lives to protecting endangered species. It is, in essence, a moving testament that preserves the human and environmental legacy of Luis Mariano Barrientos.

Address and map location

  • Postal address Biblioteca de Castilla y León - Plaza de la Trinidad, 2. municipality of Valladolid . NaN. Valladolid