Plizio Visual Lab

Serranía del Aguaragüe

Plizio editorial teamUpdated: Jun 2026Data Sources

Mountain

Weather…

The Serranía del Aguaragüe is a prominent mountain range in southern Bolivia, located within the Tarija Department. It constitutes the easternmost chain of the sub-Andean zone, acting as a natural boundary between the Gran Chaco lowlands and the inter-Andean valleys. The region is of strategic ecological importance as it functions as a critical watershed, providing essential water resources to the arid Chaco plains. In 2000, the Serranía del Aguaragüe National Park and Integrated Management Natural Area was established to preserve its biodiversity and protect its hydrologic functions. The vegetation ranges from mountain cloud forests at higher elevations to dry forests at the foothills. Historically, the area is significant for being the birthplace of Bolivia's oil industry; the country's first productive oil well, Sanandita, was drilled here in 1926. Today, environmental conservation efforts and hydrocarbon extraction activities often clash, as the range remains a key site for natural gas reserves.

Best time to visit & climate

The most pleasant time to visit is May, Aug, Sep.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg °C	25	24	23	22	19	18	18	20	23	25	26	25
Rain mm	148	151	111	59	19	9	5	2	8	43	80	135

📋 Practical info

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Getting there

The sub-Andean region is typically reached via local roads branching off from nearby towns, though unpaved rural sections may require a reliable 4x4 vehicle to navigate safely.

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Best season

The dry season, generally between May and October, is considered the most reliable time to visit, avoiding heavy rainfall that frequently washes out essential dirt tracks.

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Terrain & paths

Expect rugged, hilly terrain with unpaved trails that can become quite muddy; the natural area serves as an incredibly important ecological zone and crucial water reservoir.

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What to bring

Sturdy, broken-in hiking boots, ample drinking water supplies, and adequate sun protection are absolutely essential for exploring these ecologically significant mountain slopes.

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Parking

Parking is usually informal in adjacent local communities or near impromptu trailheads, so it is highly recommended to ask locals for the safest spot before setting off.

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Safety

Always stay on established paths to protect the delicate local ecosystem and natural water sources, and be acutely aware of rapid weather shifts in the higher elevations.

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Time needed

A typical visit broadly ranges from a half-day exploration to a full day of dedicated hiking, heavily depending on your specific route and deep interest in local nature.