Visit Oak Ridge, Tennessee

Black and white photo of a car driving through a guarded security gate. Black and white photo of a car driving through a guarded security gate.

Left image
The Elza Gate was the site of the public opening of Oak Ridge in 1949.

Right image
Today the Elza Gate is home to a city park.


The Manhattan Project at Oak Ridge

Several massive Manhattan Project facilities at Oak Ridge enriched uranium for use in Little Boy, the atomic bomb dropped on Hiroshima, Japan on August 6, 1945. Today the story of the Manhattan Project at Oak Ridge includes historic sites, community centers and museums, and highly-secured nuclear research facilities operated by the US Department of Energy.

Explore Oak Ridge

A large sign in front of a parking lot and school building.
Visitor Center & Basic Info

Start your adventure with our visitor center in Oak Ridge, TN.

A man welding the frame of a bus in a terminal.
Directions & Map

Get directions to our visitor center.

Several people inside a museum with exhibits on the walls.
Places to Go

Find out about all the places in Oak Ridge with connections to the Manhattan Project including historic sites and museums.

Several people gathered around a ranger in the woods.
Things to Do

Explore the Manhattan Project with activities throughout Oak Ridge.

Several people seated on benches watching a speaker in front of a reactor face.
US Department of Energy Tours

Learn about the US Department of Energy's guided tours of Manhattan Project facilities in Oak Ridge.

Several kayakers on a calm river.
Trip Ideas

Learn about trip ideas at Oak Ridge that last from a few hours to all day.

A cabin in a field with sunlight behind it.
Nearby Attractions

Explore attractions in the region including state and national parks.

Black and white photo of a hotel with several cars at the front.
Eat & Sleep

Find dining and lodging options in and around Oak Ridge.


Let our park app guide you

Our park app is an explorer's best friend. Find all the places and activities within Oak Ridge related to the Manhattan Project. This includes guided tours with the US Department of Energy as well as museums, historic sites, parks, and community centers throughout the secret city.


Last updated: June 27, 2024

Park footer

Contact Info

Mailing Address:

Manhattan Project National Historical Park
c/o NPS Intermountain Regional Office
P.O. Box 25287

Denver, CO 80225-0287


Hanford: 509.376.1647
Los Alamos: 505.661.6277
Oak Ridge: 865.482.1942

Contact Us