Uchku Mach'ay (Quechua uchku hole, mach'ay cave, "hole cave", also spelled Uchcomachay) is a mountain in the Andes of Peru which reaches a height of approximately . It lies in the Junín Region, Tarma Province, Tarma District.
References escale.minedu.gob.pe - UGEL map of the Tarma Province (Junín Region) Vocabulario comparativo quechua ecuatoriano - quechua ancashino -- castellano - English (pdf)