The river's name comes from the Ojibwe and means either "the start of water" (maadaagami) or "turbulent water" (madaagami).
Tributaries include the:
Hydro projects flow $2B down the Mattagami River: redevelopment on upper, lower Mattagami stations generating hope.(TIMMINS)
Feb 01, 2010; Nearly $2 billion worth of hydroelectric developments underway is set to provide a financial shot in the arm for two northern...