The Mattagami Region Conservation Authority is located in northeastern Ontario and has a watershed area of over 11,000 square kilometers. It consists of both the entire Upper Mattagami River watershed and a portion of the Abitibi River watershed. As one of 36 Conservation Authorities in the province, it is the largest in size and the only one located within the Arctic Basin. The watershed includes the City of Timmins as well as Gogama and Shining Tree.
Download the full MRCA Watershed Map (PDF)