ane ▁River ▁and ▁Bon j our ▁River . ▁ ▁In ▁the ▁end , ▁the ▁river ▁meets ▁the ▁dam ▁Math ieu - D ' Am ours ▁and ▁rap ids ▁" De ▁la ▁Ro che ▁à ▁Cam el " ▁located ▁at ▁Saint - J ér ôme - de - Mat ane , ▁close ▁to ▁the ▁town ▁of ▁Mat ane . ▁ ▁Sal mon ▁fish ing ▁▁ ▁The ▁Mat ane ▁River ▁has ▁ 8 1 ▁water ▁p its ▁for ▁sal mon ▁between ▁the ▁mouth ▁of ▁the ▁river ▁D uv iv ier ▁( a ▁trib ut ary ) ▁and ▁the ▁city ▁of ▁Mat ane . ▁The ▁sal mon ▁journey ▁up stream ▁the ▁river ▁is ▁generally ▁regular , ▁due ▁mainly ▁thanks ▁to ▁a ▁major ▁fish ▁lad der ▁fitted ▁to ▁Math ieu - d ' Am our ▁dam . ▁The ▁city ▁of ▁Mat ane ▁is ▁privile ged ▁to ▁have ▁two ▁sal mon ▁water ▁p its ▁in ▁its ▁urban ▁area , ▁or ▁down stream ▁of ▁the ▁dam . ▁ ▁The ▁sal mon ▁wild life ▁usually ▁made ▁a ▁stop ▁in ▁the ▁pit ▁no . ▁ 2 , ▁before ▁migr ating ▁to ▁the ▁up stream ▁areas ▁of ▁the ▁river , ▁usually ▁waiting ▁for ▁favor able ▁conditions ▁of ▁flow ▁and ▁temperature . ▁The ▁shape ▁and ▁the ▁strateg ic ▁position ▁of ▁the ▁pit ▁no . ▁ 2 ▁sal mon ▁guide ▁to ▁the ▁entrance ▁of ▁the ▁fish way ▁dam . ▁Exception al ▁flo ods ▁in ▁recent ▁dec ades , ▁particularly ▁that ▁of ▁ 2 0 0 7 , ▁contributed ▁to ▁the ▁de position ▁of ▁sed