Lake Pumacocha (Yauli)

Pumacocha (possibly from Quechua puma cougar, puma, qucha lake, ) is a lake in Peru located in the Junín Region, Yauli Province, Yauli District. It is situated at a height of approximately 4265 m, about 5.144 km long and 0.95 km at its widest point. Pumacocha lies northwest of a lake named Huallacocha (possibly from in Quechua Wallaqucha) and southwest of the town of Yauli.

The Pumacocha dam was completed in 1942. It is 410 m long and 24 m high. It is operated by Centromín Perú. The reservoir has a volume of 438,000 m3 and a capacity of 28,400,000 m3.