Waskhaqucha (Quechua waskha (also waska) rope, qucha lake, also spelled Huascacocha) or Wask'aqucha (Quechua wask'a rectangle) is a lake in Peru located in the Junín Region, Tarma Province, San Pedro de Cajas District. It is situated at a height of about , about 1.87 km long and 0.43 km at its widest point. Waskhaqucha lies southeast of Chinchayqucha and northeast of a smaller lake named Pukaqucha, north of the village of Patakancha.

References idiomarunasimi.com.ar Pachakallpa Yachay - Ingeniería civil, A list of technical Quechua expressions (Quechua-Spanish): WASKHA = soga, cable. WASK’A : rectángulo. escale.minedu.gob.pe - UGEL map of the Tarma Province (Junín Region)