rahu snow, ice, mountain with snow) or Ruricocha (possibly from Quechua ruri inside, Ancash Quechua ruri interior; inside; deep; valley or little river; qucha lake), Vocabulario comparativo quechua ecuatoriano - quechua ancashino -- castellano - English (pdf) Rubén Alejandro Mejía Méndez, Toponimia del Distrito de Yaután, Universidad Nacional Mayor de San Marcos, Lima, 2007 is a mountain in the Cordillera Blanca in the Andes of Peru, about 5954 meters high.