Group

Umatilla (Amerind tribe)

Nation Active 500 CE – 2215 CE

The Umatilla are a Sahaptin-speaking Native American group who traditionally inhabit the Columbia Plateau region of the northwestern United States, along the Umatilla and Columbia Rivers.

Member Cities

Cascade Valley Idaho United States Location
Walla Walla Walla Walla Washington United States Location
Washington District of Columbia Dist of Columbia United States Location

Moran, J. (n.d.). Umatilla (Amerind tribe). History Atlas. Retrieved 18 September 2026, from https://www.historyatlas.com/groups/umatilla-amerind-tribe/

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