The Tahumming River is a river in the Pacific Ranges of the Coast Mountains in British Columbia, Canada, flowing southeast into Toba Inlet near that inlet's head.[1]
On 12 May 2015, Alterra Power Corp. and the Klahoose First Nation announced that they will be building a 15 MW hydroelectric power plant on the Tahumming River the near the Toba Montrose and Jimmie Creek projects.[2]