Rasac, Mountain summit in Cordillera Huayhuash, Peru
Rasac is a mountain in the Cordillera Huayhuash rising to 6,017 meters with a broad profile and varied terrain. Its structure features limestone and sandstone layers that create multiple climbing routes across the peak.
The mountain contains marine fossils in its limestone layers, evidence that this area was once covered by an ancient ocean about 90 million years ago. These geological traces reveal how the landscape was transformed through geological time.
The name comes from the Quechua language meaning toad, reflecting how indigenous communities named the mountains in their territory. This naming tradition shows a direct connection between people and the natural world around them.
Climbers need to bring full self-sufficiency equipment and be well prepared for high altitude conditions before attempting the ascent. Due to the mountain receiving very few expeditions each year, proper planning and acclimatization are essential.
The Right Buttress on this peak remains unexplored and represents an unknown challenge for mountaineers seeking new routes. The East Face contains unstable rock that makes accessing that side of the mountain dangerous and unpredictable.
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