Reserva natural Sierra del Tigre, Natural reserve in Buenos Aires Province, Argentina.
Reserva natural Sierra del Tigre is a protected natural area within the Tandilia mountain system in Buenos Aires Province. The terrain rises to its highest point at Cerro Venado around 389 meters and features the native grasslands and shrubland typical of the region.
Geographer Huberto Cuevas Acevedo founded the Friends of Sierra del Tigre Natural Reserve group in 1972, which led to the area becoming officially protected in 1973. Prior to its protection, the region had served for generations as a working stone quarrying zone.
The reserve takes its name from the era of gaucho herding traditions in the region. Stone pathways and old dwellings left by stoneworkers tell a story of a time when quarrying shaped daily life in these hills.
The area can be explored using a consolidated path roughly 3.5 kilometers long that accommodates walking, horseback riding, private vehicles, and organized minibus tours. Visitors should wear sturdy footwear and dress appropriately for hillside terrain and variable weather conditions.
The reserve is home to a diverse mix of animals including guanacos, llamas, pumas, axis deer, gray foxes, wildcats, wild boars, and European hares living together across the landscape. This unusual combination of species makes it a rare refuge for creatures that most travelers would not expect to encounter in this region.
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