Facts and Data

Official Unesco Page

Basis Data:
Unesco World heritage since: 1981
Size of heritage: 726,927 ha

Longitude: -72,751°
Latitude: -50,000°


The Los Glaciares National Park is an area of exceptional natural beauty, with rugged, towering mountains and numerous glacial lakes, including Lake Argentino, which is 160 km long. At its farthest end, three glaciers meet to dump their effluvia into the milky grey glacial water, launching massive igloo icebergs into the lake with thunderous splashes.

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Los Glaciares National Park

Located in the province of Santa Cruz, Argentina, Los Glaciares National Park is a UNESCO World Heritage site renowned for its stunning natural beauty and unique glacial landscapes. Covering an area of approximately 726,927 hectares, the park is home to numerous glaciers, including the famous Perito Moreno Glacier.


The history of Los Glaciares National Park dates back to 1937 when it was established to protect the vast glacial region of the Southern Patagonian Ice Field. The park was officially designated as a UNESCO World Heritage site in 1981 due to its exceptional natural features and its importance in preserving the Earth's glacial history.

For centuries, the area was inhabited by indigenous Tehuelche people who had a deep connection with the land and its glaciers. However, it was not until the early 20th century that the region began to attract explorers and adventurers from around the world. The first recorded ascent of Mount Fitz Roy, one of the park's iconic peaks, was made in 1952 by French alpinists Lionel Terray and Guido Magnone.

Current State

Today, Los Glaciares National Park continues to captivate visitors with its awe-inspiring landscapes and unique natural wonders. The park is characterized by its towering mountains, vast ice fields, and numerous glaciers, including the Perito Moreno Glacier, Upsala Glacier, and Spegazzini Glacier.

The Perito Moreno Glacier, one of the park's most famous attractions, is a massive ice formation that stretches over 30 kilometers in length. It is renowned for its dynamic nature, constantly advancing and calving huge chunks of ice into the turquoise waters of Lake Argentino. Visitors can witness this spectacular phenomenon from specially constructed viewing platforms, providing a front-row seat to the glacier's impressive displays of ice breaking off and crashing into the lake.

In addition to its glaciers, Los Glaciares National Park is also home to diverse flora and fauna. The park's forests are inhabited by a variety of species, including the Andean condor, guanaco, puma, and the endangered huemul deer. The park's pristine lakes and rivers are also teeming with fish, making it a popular destination for fishing enthusiasts.

Visitors to Los Glaciares National Park can explore its natural wonders through a range of activities, including hiking, mountaineering, and boat tours. The park offers a network of well-maintained trails that lead to breathtaking viewpoints and camping areas, allowing visitors to immerse themselves in the park's pristine wilderness.

Efforts are being made to preserve the fragile ecosystem of Los Glaciares National Park. Strict regulations are in place to ensure the sustainable management of the park, including restrictions on visitor numbers and activities in sensitive areas. Ongoing research and monitoring programs help to better understand the park's ecosystems and guide conservation efforts.

Los Glaciares National Park stands as a testament to the Earth's glacial history and serves as a reminder of the importance of preserving these fragile environments for future generations to enjoy and appreciate.