Maps

Manhattan Project National Historical Park includes three sites that played crucial roles in the effort to develop atomic weapons: Hanford, Washington; Los Alamos, New Mexico; and Oak Ridge, Tennessee.
 

Last updated: November 7, 2021

Contact the Park

Mailing Address:

Manhattan Project National Historical Park
c/o NPS Intermountain Regional Office
P.O. Box 25287

Denver , CO 80225-0287

Phone:

Hanford: 509.376.1647
Los Alamos: 505.661.6277
Oak Ridge: 865.482.1942

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