Qullpa K'uchu or Qullpak'uchu (Quechua qullpa salpeter, k'uchu corner Teofilo Laime Ajacopa, Diccionario Bilingüe Iskay simipi yuyayk'ancha, La Paz, 2007 (Quechua-Spanish dictionary) "salpeter corner", Hispanicized spelling Cullpacucho) is a mountain in the Wansu mountain range in the Andes of Peru, about 5300 meters high.