Jatuncocha (possibly from Quechua hatun (in Bolivia always jatun) big, large qucha lake,[3][4] "big lake") is a lake in the Cordillera Blanca in the Andes of Peru located in the Ancash Region, Huaylas Province, Santa Cruz District.

[5][6][7] It is situated at a height of 3,886 m (12,749 ft) comprising an area of 0.486550 km2 (486,550 m2).

[2] Jatunccocha lies in the Santa Cruz gorge between the peaks of Quitaraju in the north and Caraz in the south, northeast of a smaller lake named Ichiccocha (Quechua for "little lake").

The Santa Cruz Creek flows through the lake.

This Ancash Region geography article is a stub.