Drop by our visitor center to start your Manhattan Project National Historical Park experience in Los Alamos, New Mexico. Speak with park rangers, watch a short film on the Manhattan Project, pick up a junior ranger book, and get information on Manhattan Project sites throughout the community. Don't forget to stamp your passport book with our traditional passport stamp and one-third of our unique three-part stamp. The Hanford, Los Alamos and Oak Ridge visitor centers each have one third of the stamp. Plan ahead for your visit by downloading the National Park Service App.
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Last updated: January 13, 2023
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Contact Info
Mailing Address:
National Park Service, Manhattan Project National Historical Park
c/o NPS Intermountain Regional Office
One Denver Federal Center, Building 50
Denver,
CO
80225-0287
Phone:
Hanford: 509.376.1647
Los Alamos: 505.661.6277
Oak Ridge: 865.482.1942