Yanaqucha (Quechua yana "black, very dark", qucha "lake", "black lake", Hispanicized spelling Yanacocha) is a lake in the Cordillera Blanca in the Andes of Peru located in, ChavÃÂn de Huantar District, Huari Province, Ancash Region. It is situated at a height of about , about long and at its widest point. It has a depth of about . Yanaqucha lies in the Chacpar gorge north-west of ChavÃÂn de Huantar belonging to the Huascarán National Park. It supplies the local people with drinking water.
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). There is also trout in the lake. This is a place to watch birds like the yellow-billed teal, the blue-winged teal, the Andean gull and the Andean goose.