Yanaccacca (Quechua yana black, qaqa rock, "black rock") is a mountain in the Cordillera Blanca in the Andes of Peru which reaches a height of approximately . It is located in the Ancash Region, Huari Province, Huari District, southwest of Huari. The Rurichinchay River flows along its southern slope.
References escale.minedu.gob.pe - UGEL map of the Huari Province (Ancash Region)