who lived in washington state before european settlers
History of Washington (state) The principal tribes of the coastal areas include the Chinook, Lummi, Quinault, Makah, Quileute, and Snohomish. The Plateau tribes include the Klickitat, Cayuse, Nez PercÃ©, Okanogan, Palouse, Spokane, Wenatchee, and Yakama. Today, Washington contains more than 20 Indian reservations, the largest of which is for the Yakama.[3]