San José, Stratovolcano in Metropolitan Region, Chile.
San José is a stratovolcano in Chile's Metropolitan Region, located roughly 60 kilometers east of Santiago. The volcano reaches 5,856 meters in elevation and features two peaks with multiple craters distributed across its slopes.
The mountain was first climbed in 1931 when mountaineers Otto Pfenniger and Sebastian Krückel reached the main summit. This ascent marked the beginning of the volcano's documented climbing history.
The mountain holds deep meaning for Andean communities, with traditional stories connecting the peaks to ancient mountain deities and natural forces.
The best climbing season runs from November through March when conditions are more favorable. Visitors should prepare for extreme altitude and bring proper mountaineering gear, as acclimatization is essential.
The mountain hosts the Nieves Negras glacier and contains four distinct craters, with one remaining active and continuously monitored by geological stations. This ongoing activity makes it a valuable site for volcanic research.
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