Tsimshian

Also spelled  Chimmesyan,   Indians of the North Pacific Coast of North America, inhabiting the mainland and islands around the Skeena and Nass rivers and Milbanke Sound in what is now British Columbia and Alaska. They speak any of three Tsimshian dialects: Niska, spoken along the Nass River; coastal Tsimshian, along the lower Skeena and the coast; and Kitksan (or Gitksan), along the upper Skeena.