Huacshash or Huaqshash (possibly from local Quechua waqsa, meaning eye tooth) is a mountain in the west of the Huayhuash mountain range in the Andes of Peru, about high. It is located in the Lima Region, Cajatambo Province, Cajatambo District. Huacshash lies on a sub-range in the west, south of the Huayllapa River, north of the Pumarinri River and southeast of the villages of Huayllapa and Auquimarca.