Huayllahuito (possibly from Aymara waylla Stipa obtusa, a kind of feather grass, wit'u spur, "feather grass spur") is a mountain in the Vilcanota mountain range in the Andes of Peru, about 4,800 metres (15,748 ft) high. It lies in the Puno Region, Melgar Province, Nuñoa District, southeast of Pucaparina.