National Historical Park

Manhattan Project National Historical Park

Manhattan Project National Historical Park is a National Historical Park in New Mexico, Washington, Tennessee. The NPS currently lists 0 active alerts, 0 campgrounds and 4 visitor centers, and no entrance fee.

New MexicoWashingtonTennessee National Historical Park No entrance fee

Updated · NPS Data API

Gray factory building like stacked boxes with single taller smokestack beneath cloudy blue skies.
Hanford B Reactor · Photo: NPS (via nps.gov)

About the park

“The Manhattan Project is one of the most transformative events of the 20th century. It ushered in the nuclear age with the development of the world’s first atomic bombs. Most of this development took place in three secret communities located in Hanford, WA, Los Alamos, NM and Oak Ridge, TN.”

Active alerts

0

Closures

0

Campgrounds

0

Visitor centers

4

Current alerts and closures

The NPS listed no active alerts for this park in the Oct 28, 2026 snapshot. Conditions can change; check current conditions on nps.gov before you go.

Entrance fees and passes

This site has no entrance fee, according to NPS fee data.

Things to do

A rotund building made out of adobe and two stories tall sits under a blue sky.
Photo: NPS

Albuquerque: Explore the Indian Pueblo Cultural Center

The Indian Pueblo Cultural Center preserves Pueblo culture, their accomplishments, and evolving history of the Pueblo people. The center located in Albuquerque on land owned by the 19 Pueblos and governed by the 19 Pueblos District.

1-4 Hours Year-round Fee applies

Museum Exhibits

A group of people sit in chairs as a man gives a talk in front of a large industrial apparatus.
Photo: NPS/BURGHART

Hanford: Attend a B Reactor Tour

The US Department of Energy provides guided tours of the B Reactor. These tours provide a glimpse into the science and technology that made plutonium production possible on an industrial scale and helped launch the nuclear age.

4 Hours Spring, Summer, Fall Reservation required

Guided Tours

See all 56 things to do in Manhattan Project →

Activities the NPS lists for Manhattan Project.

Guided ToursJunior Ranger ProgramPark FilmMuseum Exhibits

Operating hours

The Hanford Visitor Center is open Monday - Friday 9:00 AM-4:00 PM. Access to the Hanford B Reactor is suspended due to major construction projects.

Hanford Visitor Center
DayHours
Monday9:00AM - 4:00PM
Tuesday9:00AM - 4:00PM
Wednesday9:00AM - 4:00PM
Thursday9:00AM - 4:00PM
Friday9:00AM - 4:00PM
SaturdayClosed
SundayClosed

Weather: The Manhattan Project National Historical Park has units in Hanford, WA, Los Alamos, NM, and Oak Ridge, TN. Check local weather conditions at each unit before you visit.

Contact and directions

Phone
Hanford: 509.376.1647
Email
[email protected]
Address
National Park Service, Manhattan Project National Historical Park, Denver, CO 80225-0287
Coordinates
35.8810, -106.3021· View on OpenStreetMap

Official park page on nps.gov Directions

Visitor centers

Visitor centerStandard hoursPhonePassport stamp
Hanford Visitor CenterMon 9:00AM - 4:00PM · Tue 9:00AM - 4:00PM · Wed 9:00AM - 4:00PM · Thu 9:00AM - 4:00PM · Fri 9:00AM - 4:00PM · Sat Closed · Sun Closed(509) 376-1647Yes
Los Alamos Visitor CenterMon 10:00AM - 3:00PM · Tue Closed · Wed Closed · Thu Closed · Fri 10:00AM - 3:00PM · Sat 10:00AM - 3:00PM · Sun 10:00AM - 3:00PM(505) 661-6277Yes
Oak Ridge Visitor CenterMon Closed · Tue 10:00AM - 4:00PM · Wed 10:00AM - 4:00PM · Thu 10:00AM - 4:00PM · Fri 10:00AM - 4:00PM · Sat 10:00AM - 4:00PM · Sun 1:00PM - 4:00PM(865) 482-1942Yes
Tri-Cities Visitor CenterMon 8:00AM - 5:00PM · Tue 8:00AM - 5:00PM · Wed 8:00AM - 5:00PM · Thu 8:00AM - 5:00PM · Fri 8:00AM - 5:00PM · Sat Closed · Sun Closed509-735-5824Yes

Campgrounds

No NPS campgrounds are listed for this site. Nearby national forests or state parks may offer camping.

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Nearest other NPS sites

Sources

  • Park details, alerts, fees and passes, visitor centers and campgrounds: National Park Service Data API, snapshot of Oct 28, 2026.
  • Official park page: https://www.nps.gov/mapr/index.htm
  • Data: National Park Service (NPS) Data API, U.S. Department of the Interior (developer.nps.gov). This product uses the NPS Data API but is not endorsed or certified by the National Park Service. The National Park Service and the U.S. Department of the Interior do not endorse OpenParks. Photos are NPS images shown with their original credits; park descriptions are short excerpts credited to the NPS. Always confirm current conditions on nps.gov before you travel.