Chachas Lake is a lake in Peru located in the Arequipa Region, Castilla Province, Chachas District.escale.minedu.gob.pe - UGEL map of the Castilla Province (1) (Lima Region)lib.utexas.edu Map of the area It is situated at a height of about . Chachas Lake lies southwest of the Ch'ila mountain range, near the town of Chachas.
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