Ventisquero negro

Ventisquero Negro is a glacier located at the base of Mount Tronador in Nahuel Huapi National Park, distinguished by its dark brown coloring caused by accumulated sediment and rock debris. The ice mass extends across the lower mountainside and creates a substantial frozen landscape that dominates the terrain.

The Mount Tronador area and its glaciers were first documented and explored in 1934 when Hermann Claussen completed an early recorded ascent of the mountain. This initial expedition marked the beginning of scientific attention to the Patagonian glacier region.

Scientists regularly study this glacier to understand climate patterns and environmental changes in the Southern Andes mountain range of Patagonia.

Access to the glacier is through guided tours starting from Bariloche, following marked trails that lead to observation points near the ice formation. Proper footwear and clothing for cold weather are essential, as the terrain can be uneven and slippery.

The glacier produces dark icebergs that break off and drift in the adjacent lagoon, revealing bright white ice when they crack open. This contrast between the dark surface and pure interior becomes visible as these pieces shift and fracture in the water.