Mattawasaga River
The Mattawasaga River is a tributary of Abitibi Lake , flowing through the townships of Harker Township , Marriott Township and Stoughton Township , in the Cochrane District , in Ontario , in Canada . 
<triplet> Mattawasaga River <subj> Abitibi Lake <obj> mouth of the watercourse <subj> Ontario <obj> located in the administrative territorial entity <triplet> Abitibi Lake <subj> Mattawasaga River <obj> tributary <subj> Cochrane District <obj> located in the administrative territorial entity <subj> Canada <obj> country <triplet> Cochrane District <subj> Ontario <obj> located in the administrative territorial entity <subj> Canada <obj> country <triplet> Ontario <subj> Canada <obj> country <triplet> Canada <subj> Ontario <obj> contains administrative territorial entity