Yanaqucha (Quechua yana "black, very dark", qucha "lake",[2] "black lake", Hispanicized spelling Yanacocha) is a lake in the Cordillera Blanca in the Andes of Peru located in, Chavín de Huantar District, Huari Province, Ancash Region.

Yanaqucha lies in the Chacpar gorge north-west of Chavín de Huantar belonging to the Huascarán National Park.

It supplies the local people with drinking water.

[1] The lake is surrounded by plants like ichhu (Stipa ichu), lliqllish qura (Werneria nubigena), warwash hembra (Gynoxis sp.

), ankush (Senecio canescens) and champa estrella (Plantago rigida).