Salish Languages The Salish language family is one of the largest in North America. Salish languages have been spoken in parts of what are now British Columbia, Washington, Oregon, Idaho, and Montana. The five main subgroups, with their dialects, are: Bella Coola Tillamook Coast Salish(Click on the names to see maps showing the locations of each of the dialects) Comox Sechelt Pentlatch Squamish Halq'méylem Northern Straits Nooksack Klallam Interior Salish Lillooet Thompson Shuswap Okanagan Colville Columbian Spokane Kalispel Flathead Coeur d'Alene Tsamosan Quinalt Lower Chehalis Upper Chehalis Cowlitz Coast Salish Languages and Territories Try a Halq'méylem-language Word Search