CITY · 5 STOPS

Mattawa, Washington

Mattawa is an incorporated city in Grant County, Washington, United States. The population was 3,335 at the 2020 census.
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Things to see

SCIENCE & TECHHanford Engineer Works
SCIENCE & TECHB Reactor
SCIENCE & TECHB Reactor
SCIENCE & TECHHanford Site
HISTORYWanapum

Nearby places

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