Available Planning Guides for Nahuel Huapi National Park in the Patagonian Andes

Argentina's oldest national park protecting Patagonian Andes wilderness around a legendary glacial lake

Nahuel Huapi National Park

Nahuel Huapi National Park represents the crown jewel of Argentina's national park system, established as the country's first protected area in 1922 through the vision of explorer Francisco Moreno (known as Perito Moreno). The park's creation marked a pivotal moment in Argentine conservation history and set the precedent for the protection of Patagonia's unique natural heritage. The park's territory encompasses a spectacular mosaic of landscapes shaped by glacial processes, with the dominant feature being Nahuel Huapi Lake, a glacial fjord extending 100 kilometres toward the Chilean border and surrounded by the rugged Andean cordillera. The park's western portion near the Chilean border receives exceptional precipitation, with Puerto Blest recording up to 4,000 millimetres annually, supporting lush temperate rainforests, while eastern sections transition to the semi-arid Patagonian steppe receiving only 600 millimetres. This dramatic environmental gradient supports remarkable biodiversity, from Andean condors soaring above glacial valleys to river otters in the lake's interconnected waterways. The park's establishment in 1934 coincided with a deliberate effort to develop San Carlos de Bariloche as a model Patagonian city, with the iconic Llao Llao Hotel constructed as a showcase of the national parks vision. Today the park welcomes visitors seeking mountaineering challenges, wilderness trekking, ski adventures, and immersion in one of the world's most distinctive temperate wilderness landscapes.