Coyllococha (possibly from Quechua quyllu impeccable white; generic name for a kind of potatoes, qucha lake,[1][2]) is a lake in Peru located in the Junín Region, Huancayo Province, Chongos Alto District.

[3][4] It is situated at a height of approximately 4,683 metres (15,364 ft), about 4.15 km long and 1.45 km at its widest point.

Coyllococha lies southwest of Yurajcocha and Huichicocha.

[4] In 1999 the Coyllorcocha dam was erected at the northeastern end of the lake at 12°34′49.6″S 75°32′22.6″W / 12.580444°S 75.539611°W / -12.580444; -75.539611.

[5] This Junín Region geography article is a stub.