Glaciar Perito Moreno, a vast Patagonian ice wall near El Calafate
Published on 08/23/2026 at 12:37 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
Glaciar Perito Moreno is a vast wall of ice that meets the blue waters of Lake Argentino west of El Calafate in southern Argentina, turning the edge of Los Glaciares National Park into an outdoor amphitheatre of ice and water. It is part of the Southern Patagonian Ice Field in the Andes, a highland of compacted snow and ice that feeds dozens of glaciers straddling the border between Argentina and Chile, with Perito Moreno among the most accessible faces of this frozen plateau.Southern Patagonian Ice Field
An ice river ending in a towering lakefront face
Perito Moreno is a valley glacier that flows down from the high spine of the Andes towards the southern arm of Lake Argentino, ending in a near-vertical face of ice that looms above the water. The glacier extends for roughly 30 km (19 miles) from its accumulation zone on the ice field to its terminus, with a surface area around 250 km², making it one of the larger individual glaciers in Patagonia and a prominent tongue of the regional ice.30 km long glaciersurface of 250 km²
At the lakeside front, the ice rises dozens of metres above the grey-blue water of Lake Argentino, forming broken towers, overhangs and deep blue recesses in the face. Visitors on the opposite shore see ice cliffs with irregular spurs and recesses, streaked with sediment where the glacier has scraped rock, offering a clear view of how moving ice grinds its way through the mountains before ending sharply in the lake.
Los Glaciares National Park and a protected Patagonian landscape
Glaciar Perito Moreno lies within Los Glaciares National Park in Santa Cruz Province, a protected area on the Argentine side of the Southern Patagonian Ice Field.Los Glaciares National Park The park covers hundreds of thousands of hectares of mountains, lakes and glaciers and is inscribed on the UNESCO World Heritage List for the scale of its ice and the variety of Patagonian ecosystems it contains.UNESCO World Heritage List
The glacier occupies the park’s southern sector, facing the Magallanes Peninsula, a low ridge that reaches into Lake Argentino and carries the network of walkways and viewpoints opposite the ice.Magallanes Peninsula opposite the glacier Behind Perito Moreno, the Andes rise towards the Chilean border, where the ice field continues into Bernardo O’Higgins National Park, showing how the glacier forms part of a larger cross-border ice system rather than a isolated block of ice.
Movement, rupture and the sound of falling ice
Although the viewing area faces a seemingly fixed wall of ice, Perito Moreno is in motion, advancing from the ice field and continually shedding blocks from its front into Lake Argentino. As the glacier reaches the lake’s narrow arm, its ice can press against a rocky spur and close the channel, forming a temporary natural dam that separates one part of the lake from another.natural dam effect on Lake Argentino
When the water level rises behind this dam, pressure eventually breaks the barrier and sends lake water through and under the ice, leading to a dramatic rupture of part of the glacier front. Even outside such major breaks, there are regular smaller calving events in which chunks of ice fall from the face into the lake, sending up spray and creating waves that reach the shoreline walkways.
Visiting Glaciar Perito Moreno: what travellers from Western Europe should know
- Glaciar Perito Moreno lies west of El Calafate in Santa Cruz Province, reached by road along a route that follows the southern shore of Lake Argentino towards the Magallanes Peninsula.
- The official viewpoints sit on solid walkways above steep lakeside slopes, with multiple flights of steps between different levels and platforms.
- The terrain combines paved paths, metal staircases and exposed sections near the lake, so sturdy footwear is useful for moving between the various viewing areas.
- The glacier area is within Los Glaciares National Park in Argentina, where the official language is Spanish and the currency is the Argentine peso.
- Entry requirements depend on your nationality; UK travellers can check the FCDO travel advice at gov.uk/foreign-travel-advice, Irish travellers the Department of Foreign Affairs at ireland.ie.
Searching for Glaciar Perito Moreno on social platforms
These links open searches for Glaciar Perito Moreno on each platform.
Frequently asked questions about Glaciar Perito Moreno
Where is Glaciar Perito Moreno located?
Glaciar Perito Moreno is in Los Glaciares National Park in Santa Cruz Province in Argentine Patagonia, west of the town of El Calafate.
What can visitors expect when viewing the glacier?
Visitors walk along a network of lakeside platforms and paths facing a high ice wall, with clear views of crevasses, blue ice and blocks calving into Lake Argentino.
What makes Glaciar Perito Moreno distinctive among Patagonian glaciers?
The glacier combines a sizeable, advancing ice tongue with a lakefront terminus opposite purpose-built walkways inside a UNESCO-listed national park, making its dynamic face unusually accessible.
