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Cayuse, Umatilla & Walla Walla

1805 – present
Native nationNorth America

The horse-wealthy nations of the Walla Walla valley.

The Confederated Tribes of the Umatilla lead Columbia Basin salmon recovery from Pendleton.

Borders in 2026 · drawn from 2 sourced border frames
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Borders over time

The atlas holds 2 border frames for Cayuse, Umatilla & Walla Walla — the shape you scrub through changes in 1805 · 1855.

Further reading

Sources