Northern

• Secwepemc
  Secwepemc
  The Secwepemc , known in English as the Shuswap people, are a First Nations people residing in the Canadian province of British Columbia. Their traditional territory ranges from the eastern Chilcotin Plateau and the Cariboo Plateau southeast through the Thompson Country to Kamloops and the Shuswap...
  
  , also known as Shuswap, Secwepemctsín, səxwəpməxcín (ʃəxwəpməxtʃín
  Shuswap language
  The Shuswap language, known to its speakers as Secwepemctsín , is the traditional language of the Shuswap people of British Columbia. An endangered language, Shuswap is spoken mainly in the Central and Southern interior of British Columbia between the Fraser River and the Rocky Mountains...
  
  )
• St'at'imc
  St'at'imc
  The St'át'imc are an Interior Salish people located in the southern Coast Mountains and Fraser Canyon region of the Interior of the Canadian province of British Columbia.St'át'imc culture displayed many features typical of Northwest Coast peoples: the...
  
  , also known as Lillooet, Stlʼatlʼimx, Stlʼatlʼimc, Sƛ’aƛ’imxǝc (Stʼatʼimcets
  St'at'imcets language
  Lillooet or Lilloet, also known as St’át’imcets , is the Interior Salishan language of the St’át’imc, spoken in southern British Columbia, Canada around the middle Fraser and Lillooet rivers. The dialect of the Lower Lillooet people uses the name Ucwalmícwts as St’át’imcets properly means "the...
  
  , also known as Ucwalmicwts)
• Nlaka'pamux
  Nlaka'pamux
  The Nlaka'pamux , commonly called "the Thompson", and also Thompson River Salish, Thompson Salish, Thompson River Indians or Thompson River people) are an indigenous First Nations/Native American people of the Interior Salish language group in southern British Columbia...
  
  , also known as Thompson River Salish, Ntlakapmuk, Ntleʼkepmxcín, Thompson River, Thompson Salish, Thompson, known in frontier times as the Hakamaugh, Klackarpun, Couteau or Knife Indians

Southern

• Colville
  Colville (tribe)
  The Colville tribe is a Native American tribe of the Pacific Northwest. The name Colville comes from association with Fort Colville, named after Andrew Colvile of the Hudson's Bay Company...
  
  , Sanpoil
  Sanpoil (tribe)
  The Sanpoil is one of 12 aboriginal Confederated Tribes of the Colville Indian Reservation. The name Sanpoil comes from the Okanagan [snpʕwílx], "gray as far as one can see". It has been folk-etymologized as coming from the French sans poil, "without fur". The Yakama people know the tribe as...
  
  , Okanagan
  Okanagan people
  The Okanagan people, also spelled Okanogan, are a First Nations and Native American people whose traditional territory spans the U.S.-Canada boundary in Washington state and British Columbia...
  
  , Sinixt
  Sinixt
  The Sinixt are a First Nations People...
  
   (Senjextee, Sin Aikst, or Lakes Band), and Methow
  Methow (tribe)
  The Methow , a Native American tribe historically lived along the Methow River, a tributary of the Columbia River in northern Washington. The tribe's name for the river was Buttlemuleemauch, meaning "salmon falls river". The river's English name is taken from that of the tribe...
  
   all of whom speak nxsəlxcin.
• Entiat
  Entiat (tribe)
  The Entiat people are a Native American tribe who exclusively used and occupied an area extending from the Columbia River to the Cascade Mountains along the drainage system of the Entiat River.-Ethnography:...
  
  , Wenatchi
  Wenatchi
  The Wenatchi Tribe is a group of Native Americans who lived in the region near the confluence of the Columbia and Wenatchee Rivers in Eastern Washington State...
  
  , and Chelan
  Chelan (tribe)
  The Chelan tribe , meaning "Deep Water" are an Interior Salish people speaking the Wenatchi dialect, though separate from that tribe. The Chelan were historically located at the outlet of Lake Chelan in Washington.-Ethnography:...
  
   all of whom speak Columbia-Moses, Nxaảmxcín, also known as Sinkiuse-Columbia, Sinkiuse, Columbia.
• Spokane, Kalispel
  Pend d'Oreilles (tribe)
  The Pend d'Oreilles, also known as the Kalispel, are a tribe of Native Americans who lived around Lake Pend Oreille, as well as the Pend Oreille River, and Priest Lake although some of them live spread throughout Montana and eastern Washington...
  
  , and the Flathead
  Confederated Salish and Kootenai Tribes of the Flathead Nation
  The Confederated Salish and Kootenai Tribes of the Flathead Reservation are the Bitterroot Salish, Kootenai and Pend d'Oreilles Tribes. The Flatheads lived between the Cascade Mountains and Rocky Mountains. The Salish initially lived entirely east of the Continental Divide but established their...
  
   including the Bitterroot
  Bitterroot Salish (tribe)
  The Bitterroot Salish are one of three tribes of the Confederated Salish and Kootenai Tribes of the Flathead Nation in Montana. The Flathead Reservation is home to the Kootenai and Pend d'Oreilles tribes also.-Language:...
  
  .
• Coeur D'Alene Tribe
  Coeur d'Alene Tribe
  The Coeur d'Alene are a Native American people who lived in villages along the Coeur d'Alene, St. Joe, Clark Fork and Spokane Rivers; as well as sites on the shores of Lake Coeur d'Alene, Lake Pend Oreille and Hayden Lake, in what is now northern Idaho, eastern Washington and western Montana.In...
  
  , also known as Schitsu'umsh or Skitswish (Coeur d'Alene language
  Coeur d'Alene language
  Coeur d'Alene is a Salishan language spoken by only five of the 800 individuals in the Coeur d'Alene Tribe on the Coeur d'Alene Reservation in northern Idaho, United States. It is considered an endangered language.-References:...
  
  )