What is "contrahierbas"

Contrahierbas, also called Yanarraju (possibly from Quechua yana black, rahu snow, ice, mountain with snow, "black snow peak") or Ruricocha (possibly from Quechua ruri inside, Ancash Quechua ruri interior; inside; deep; valley or little river, Quechua qucha lake, "interior lake", "deep lake" or "valley lake"), is a mountain in the Cordillera Blanca in the Andes of Peru, about high. It is situated in the Ancash Region in the provinces Asunción, Carhuaz and Yungay. Contrahierbas lies in the Huascarán National Park, northeast of Hualcán.