Jat'u K'achi (Aymara jat'u the stripes on a blanket, k'achi incisors; chin; vertex, edge, Ref Bertonio (see: Arista) (see: Dentadura) Ministerio de Educación, Dirección National de Educación Bilingue Intercultural, Yatiqirinaka Aru Pirwa, Lima, 2005 (Aymara-Spanish dictionary) possibly "stripe incisors", Hispanicized spelling Jatucachi) is a mountain in the Andes of southern Peru, about 5200 meters high.