Lake Atuncocha
Lake Atuncocha (possibly from Quechua "hatun" big, large "qucha" lake, "big lake"), also known as Lake Cullicocha (possibly from Quechua "kulli" a color between blue and carmine (purple, violet, mulberry-colored) is a lake in Peru located in the Ancash Region, Huaylas Province, Santa Cruz District. It is situated at a height of about , about 1.88 km long and 0.6 km at its widest point. Lake Atuncocha lies in the Cordillera Blanca, northwest of Santa Cruz and Pergarumi, between Lake Rajucocha in the east and Lake Collorcocha in the west.