As consequence of this infiltration a large aquifer is situated beneath Mocho-Choshuenco. The southern and eastern slopes drain to Pillanleufú River which flows south along the Liquiñe-Ofqui Fault to Maihue Lake.
As a result of this infiltration, a significant aquifer lies beneath Mocho-Choshuenco. The southern and eastern slopes channel to Pillanleufú River, which flows south along the Liquiñe-Ofqui Fault to Maihue Lake.