Located in the department of Ancash, the Cordillera Huayhuash is considered by climbers to be the best of Peru's mountain areas. Huayhuash features a dozen major peaks which provide difficult climbs due to the frequency of avalanches of snow and ice.

The highest peak in the area is Mount Yerupajá (6,634 meters); followed by Yerupajá Chico (6,121 meters); Jirishanca (6,094 meters); Siulá Grande (6,344 meters); Rondoy (5,879 meters); Ninashanca (5,807 meters) and Rasac (6,017 meters).