Nahuel Huapi Lake, Glacial lake in Río Negro Province, Argentina
Nahuel Huapi spreads over 530 square kilometers with many arms, peninsulas and islands between snow-capped Andean peaks at 768 meters elevation. Its branching shores form sheltered bays and exposed headlands along the forested coastline.
The area became Argentina's first national park in 1903 after explorer Perito Moreno donated his land to create protected territories in northern Patagonia. This donation laid the foundation for today's system of conservation areas across the region.
The name comes from the Mapudungun language and means Island of Puma, showing the indigenous roots of this Patagonian area. Visitors today see this connection in the names of surrounding peaks and bays.
The water stays between 7 and 8 degrees Celsius year-round, so swimmers and water sports enthusiasts should take precautions against hypothermia. On windy days, conditions across the open water can change quickly.
Rainbow trout, brown trout and brook trout thrive in these deep waters, which reach down to 464 meters in some sections. These fish populations draw anglers from different countries who explore the remote coves.
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