B REACTOR TOURS
Explore the Manhattan Project National Historical Park at Hanford
🚧 Important Update: B Reactor Tours Suspended for 2025
The U.S. Department of Energy (DOE) has suspended all B Reactor Tours for the 2025 season due to major construction projects at the Hanford Site.
B Reactor remains a key part of the Manhattan Project’s legacy, and updates will be shared as soon as they become available.
Alternate Opportunity: Attend an Atomic Explorations Program
With B Reactor tours on hold, visitors are encouraged to attend the free Atomic Explorations programs, presented by National Park Service rangers and volunteers. These engaging programs share the science, people, and world-changing events of the Manhattan Project.
June 2 – September 6, 2025
Manhattan Project National Historical Park Visitor Center
2000 Logston Blvd, Richland, WA2:30 p.m. | Monday–Thursday & Saturdays
No registration required
These one-hour presentations rotate in topic based on the ranger presenting that day. Subjects include the science behind plutonium production, the role of local communities, and ethical questions raised by the atomic age.
Program topics vary by day, depending on the presenting ranger. A promotional graphic and a detailed schedule with program descriptions are available for download below. Upcoming program topics are also listed approximately two weeks in advance on the Manhattan Project Calendar Page and more information can be found on the Hanford: Join a Ranger Program page.
Download Program Schedule & Descriptions PDF
“We are excited to offer these new Atomic Explorations programs this summer to share the fascinating human history, complex science, and enduring relevancy of the Manhattan Project with visitors from across town and around the world.”
— Becky Burghart, Hanford Unit Site Manager
Pre-Manhattan Project Historical Site Tours Continue
The Manhattan Project National Historical Park continues to offer Pre-Manhattan Project Historical Sites Tours beginning in April 2025. These tours highlight the region’s rich cultural and agricultural history prior to WWII.
Free
Open to all ages
Advance registration required
Offered April–November, six days a week during summer and holiday weekends
Click here to view available tour dates and register
About the Manhattan Project and Hanford
Hanford was one of the three primary sites of the Manhattan Project, where more than 50,000 people built an industrial complex to produce plutonium for the world’s first atomic weapons. The legacy of that work still resonates globally.
Traditional Park Tour Offerings:
B Reactor National Historic Landmark – The first full-scale nuclear production reactor (suspended for 2025)
Pre-Manhattan Project Sites – Learn about the communities and landscapes that shaped Hanford before WWII
Need Help Planning a Visit?
For help with tour registration or requesting accommodations (including wheelchair access or ASL interpretation), contact:
Manhattan Project National Historical Park Visitor Center
2000 Logston Boulevard, Richland, WA
(509) 376-1647
