La ▁Tu que ) "; ▁ ▁South , ▁the ▁river ▁Mond on ac ▁which ▁is ▁fed ▁by ▁la kes ▁S inc ennes ▁and ▁Mond on ac . ▁ ▁The ▁out let ▁of ▁Lake ▁Ch âteau vert ▁is ▁the ▁Man ou ane ▁River ▁( La ▁Tu que ) ▁at ▁the ▁north ▁end . ▁A ▁high - cap acity ▁dam ▁owned ▁by ▁H ydro - Qu ébec ▁is ▁located ▁at ▁the ▁mouth . ▁The ▁dam ▁built ▁in ▁ 1 9 5 2 ▁( con crete - gravity ▁type ) ▁has ▁a ▁height ▁of ▁ 1 4 ▁m ▁and ▁a ▁ret ention ▁height ▁of ▁ 1 2 . 5 ▁m . ▁The ▁catch ment ▁area ▁of ▁the ▁dam ▁is ▁ 4 5 6   km ². ▁Its ▁holding ▁capacity ▁is ▁ 2 6 9 , 8 2 0 , 0 0 0 ▁m ³ . ▁This ▁dam ▁is ▁designated ▁" Man ou ance ▁- C " ▁ ▁Com ing ▁from ▁W em ota ci , ▁a ▁forest ▁road ▁cross es ▁the ▁Man ou ane ▁River ▁( La ▁Tu que ) ▁at ▁the ▁top ▁of ▁the ▁dam ▁Man ou ane - C , ▁and ▁then ▁moves ▁to ▁the ▁west ▁by ▁the ▁north ▁shore ▁of ▁Lake ▁Ch âteau vert . ▁ ▁See ▁also ▁▁▁ ▁Man ou ane ▁River ▁( La ▁Tu que ) ▁ ▁Saint - M aur ice ▁River ▁ ▁Lake ▁Man ou ane ▁ ▁K empt ▁Lake ▁( M ata win ie ) ▁ ▁La ▁Tu que ▁ ▁Maur ic ie ▁ ▁Man aw an ,