Sierra de la Culebra, Mountain chain in northwestern Castile and León, Spain
Sierra de la Culebra is a mountain chain running along the Spanish-Portuguese border in northwestern Castile. It is built from slate and spans several kilometers with varying elevations throughout the range.
The mountain chain formed during the Ordovician period hundreds of millions of years ago. The slate formations that compose it were shaped by geological processes and continue to define the regional landscape.
The region has long been connected to hunting traditions that local people continue to practice today. These activities coexist with efforts to protect the wolf population that lives here and shape how communities relate to the land.
Several hiking trails crisscross the area and allow exploration at various difficulty levels. Camping and other lodging options are available nearby to make longer stays more manageable.
The range provides refuge for one of Europe's largest wolf populations and is sustained by abundant wild populations of deer and boar. This ecosystem makes the area a crucial refuge for the species in western Europe.
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