The Great Whale River (French: Grande rivière de la Baleine) is a river in Nunavik, Quebec, Canada. It flows from Lac Saint-Luson through Lac Bienville west to Hudson Bay. While lower section of the river (after Lac Bienville) has very powerful current, with many waterfalls (up to or in height) and rapids, upper section consists of series of lakes interconnected by steep rapids and ledges.