B REACTOR TOURS
Explore the Manhattan Project National Historical Park at Hanford
🚧 Important Update: B Reactor Tours Suspended for 2027
B Reactor tours are suspended for the 2027 season. The status of tours for 2028 has not yet been determined.
Manhattan Project National Historical Park is co-managed by the U.S. Department of Energy and the National Park Service. The Department of Energy operates B Reactor tours, while the National Park Service offers a variety of ranger programs throughout the Tri-Cities.
Please visit the official websites below for the most current information.
About B Reactor
Located on the Hanford Site, B Reactor was the world’s first full-scale plutonium production reactor and is now part of the Manhattan Project National Historical Park. The park preserves and interprets the history and lasting significance of the Manhattan Project.
Take a virtual tour of B Reactor and T Plantâ–º
Questions About Tours or Programs?
Please contact the Manhattan Project National Historical Park Visitor Center:
2000 Logston Boulevard
Richland, WA 99354
509-376-1647