Hanford Visitor Centers & Basic Info

A color photo of a building that says Manhattan Project National Historical Park on it.
Look for the red roof of the visitor center as you drive along Hwy 240.

NPS/BURGHART

 
 

 

Basic Information about Hanford Unit

 

Last updated: May 31, 2024

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Contact Info

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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