The Manhattan Project at HanfordNuclear reactors at Hanford (now the Hanford Site) produced plutonium for the Manhattan Project to fuel the first atomic test and the Fat Man atomic bomb dropped on Nagasaki, Japan on August 9, 1945. The story of the Manhattan Project at Hanford encompasses historic facilities and educational centers with the National Park Service, the US Department of Energy and the communities where Hanford workers and their families lived, which are all part of the Tri-Cities region today.
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Places to Go
Find out about all the places in the Tri-Cities region with connections to the Manhattan Project including historic sites and museums.
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Last updated: September 2, 2022