▁Bell ▁River ▁hydro graph ic ▁slope , ▁the ▁Not ta way ▁River ▁and ▁the ▁Ru pert ▁Bay ). ▁The ▁Del est res ▁River ▁flows ▁in ▁Sen net er re , ▁in ▁the ▁administrative ▁region ▁of ▁Ab it ib i - T ém isc aming ue , ▁in ▁Quebec , ▁in ▁Canada . ▁ ▁The ▁Del est res ▁River ▁flows ▁success ively ▁into ▁the ▁town ships ▁of ▁Martin , ▁Aug ier ▁and ▁Del estre . ▁The ▁lower ▁portion ▁of ▁the ▁river ▁is ▁included ▁in ▁the ▁Parent ▁Lake ▁Marsh ▁B iod iversity ▁Reserve . ▁ ▁The ▁surface ▁of ▁the ▁Del est res ▁River ▁is ▁generally ▁fro zen ▁from ▁mid - Dec ember ▁to ▁mid - A pril . ▁Forest ry ▁is ▁the ▁main ▁economic ▁activity ▁of ▁the ▁sector ; ▁recre ational ▁tour ism ▁activities , ▁second . ▁ ▁Geography ▁ ▁Top onym y ▁ ▁The ▁term ▁" Del est res " ▁is ▁associated ▁with ▁the ▁river ▁and ▁town ship ▁that ▁covers ▁the ▁central ▁and ▁southern ▁part ▁of ▁Parent ▁Lake ▁( A bit ib i ). ▁The ▁name ▁Del est res ▁of ▁these ▁two ▁hyd ron ym s ▁is ▁a ▁dedic ation ▁to ▁Al oni é ▁Del estre ▁( sp elled ▁without ▁" s " ▁according ▁to ▁the ▁historian ▁André ▁V ach an ), ▁a ▁companion ▁of ▁D oll ard ▁Des ▁Or me aux . ▁Before ▁the ▁pro clam ation ▁of ▁the ▁town ship ▁in ▁ 1 9 1 6 , ▁the ▁river ▁was ▁designated ▁" Sh ab og ama ", ▁Alg on qu ian ▁expression