Tukumach'ay or Tuku Mach'ay (Quechua tuku owl, t'uqu a niche in the wall, mach'ay a cave / a niche in the wall, Teofilo Laime Ajacopa, Diccionario Bilingüe Iskay simipi yuyayk'ancha, La Paz, 2007 (Quechua-Spanish dictionary) Hispanicized spelling Tucumachay) is a mountain in the Paryaqaqa or Waruchiri mountain range in the Andes of Peru, about 5350 meters high.