Marairazo
Marairazo |batan] or Grindstone is a [mountain in the northern sector of the Huaytapallana mountain range in the Andes of Peru, about high. It is situated in the Junín Region, Concepción [Province, Peru|Concepción Province], Comas [District, Concepción|Comas District], and in the Jauja Province, in the districts of Apata and Monobamba.