Hidden Gem

Hanford B Reactor (Manhattan Project NHP)

Hanford B Reactor (Manhattan Project NHP), located in southeastern Washington near the Columbia River, offers a unique glimpse into the history of the atomic age with its preserved reactor and informative exhibits. Visitors can explore guided tours of the facility, learn about the Manhattan Project’s impact, and experience the surrounding desert landscape, making it an intriguing destination for history enthusiasts and curious travelers alike.

Hanford B Reactor (Manhattan Project NHP)

About the Attraction

A visit to the Hanford B Reactor at the Manhattan Project National Historical Park offers a unique look into a pivotal moment in world history. Here’s what to expect:

  • Historic Landmark: Explore the world’s first full-scale plutonium production reactor, a National Historic Landmark that played a crucial role in ending World War II by producing plutonium for the Trinity Test and the atomic bomb dropped on Nagasaki.
  • Guided Tours: Walk through the original reactor building with knowledgeable guides who share stories about the scientists, engineers, and workers who built and operated the facility under top-secret conditions.
  • Immersive Experience: See the control room, reactor face, and other preserved areas, gaining insight into the technological innovations and challenges of the Manhattan Project era.
  • Educational Insights: Learn about the science of nuclear fission, the ethical debates surrounding atomic weapons, and the ongoing legacy of the Hanford Site in American and world history.

It’s a must-visit for those interested in science, history, and the profound impact of the atomic age.

Interactive Map

Audio Guide

Make the most of your visit. Listen to the Audio Guide for insider tips, fascinating facts, and stories that enrich your journey.

Hiking Adventure Map

Schedule

Access to the Hanford B Reactor is suspended due to major construction projects set to begin Spring of 2025, so there are no current opening hours available.

Entrance Fee

Free
General Admission: Free—no admission fee for visitor center or guided tours offered by the Department of Energy. Children: Free. Admission prices are fixed. No donation-based or free-day model needed. Advance ticket reservations are recommended for guided tours when available
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