▁to ▁its ▁mouth ; ▁▁ ▁north , ▁to ▁the ▁confl u ence ▁of ▁the ▁out let ▁of ▁Ed mond ▁Lake ▁( coming ▁from ▁the ▁west ); ▁▁ ▁towards ▁the ▁north ▁by ▁w inding ▁and ▁collect ing ▁the ▁dis charge ▁( coming ▁from ▁the ▁east ) ▁of ▁Lake ▁D us ette , ▁to ▁the ▁dis charge ▁( coming ▁from ▁the ▁east ) ▁of ▁Lake ▁St ym ph ale ; ▁▁ ▁to ▁the ▁north , ▁collect ing ▁the ▁dis charge ▁( coming ▁from ▁the ▁east ) ▁from ▁Lake ▁Col on ▁and ▁forming ▁saw to oth ▁at ▁the ▁end ▁of ▁the ▁segment , ▁up ▁to ▁the ▁dis charge ▁of ▁a ▁stream ▁( coming ▁from ▁South ); ▁▁ ▁towards ▁the ▁north , ▁cur ving ▁towards ▁the ▁north west ▁by ▁collect ing ▁the ▁out let ▁of ▁lac ▁des ▁C aves ▁and ▁me and ering ▁at ▁the ▁end ▁of ▁the ▁segment ▁to ▁the ▁stream ▁at ▁Go é land ▁( coming ▁from ▁the ▁south ); ▁▁ ▁( or ▁ ▁in ▁a ▁direct ▁line ) ▁towards ▁the ▁north west ▁by ▁forming ▁numerous ▁small ▁stream ers , ▁until ▁the ▁confl u ence ▁of ▁the ▁rivière ▁à ▁Mars ▁North - West ; ▁ ▁Inter mediate ▁course ▁of ▁the ▁rivière ▁à ▁Mars ▁( segment ▁of ▁ ▁in ▁forest ▁area ) ▁▁▁ ▁towards ▁the ▁north west ▁passing ▁north ▁of ▁Mont ▁aux ▁O ise aux ▁( alt itude : ▁) ▁where ▁a ▁fire ▁tower ▁had ▁been ▁built , ▁then ▁forming ▁a ▁curve ▁towards ▁east ▁before ▁branch ing ▁north ▁to ▁Bras ▁de ▁l ' En fer ▁(