Yerupajá: High Peak of the Cordillera Huayhuash in Peru

Physical characteristics

The mountain consists of a principal summit and a subsidiary one, commonly referred to as Yerupajá Grande and Yerupajá Chico. Its slopes are heavily glaciated and present steep faces and ice-covered ridgelines. The combination of altitude, severe weather, and sustained technical terrain makes the massif strikingly prominent in the local landscape and challenging to ascend.

Climbing history and routes

Yerupajá first attracted serious mountaineering attention in the mid-20th century and has since been attempted by international alpinists. Routes up the mountain demand advanced mixed-ice and rock skills; many teams approach via long, remote valley marches and establish high camps on glaciers. Because of objective hazards — crevasses, serac fall and rapid storms — it is regarded as one of the more technical 6,000‑metre Andean objectives.

Environmental and cultural context

The peak sits within a high-Andean environment of glacial watersheds, puna grasslands and seasonal wet zones that support local farming communities. Trekking circuits around the Cordillera Huayhuash are internationally known, drawing hikers who admire the scenery from lower passes while mountaineers pursue more technical objectives. Glacial retreat and changing weather patterns are ongoing concerns for ecosystems and access.

Significance and notable facts

Yerupajá is celebrated both for its aesthetic prominence and its climbing reputation. It ranks among the tallest Andean peaks and is often listed on compilations of the range’s major summits (Andes ranking). Its combination of remote access, severe terrain and dramatic relief makes it a landmark of the Andes and a defining summit of the Yerupajá massif for climbers and scholars of high‑altitude geography alike.

• Elevation: ~6,635 m (21,768 ft)
• Location: Cordillera Huayhuash, central Peru
• Characteristics: glaciated, technical routes, remote approaches