Visit Los Alamos, New Mexico

A black and white photo of a white building with a big white sign that has black writing that says, "Los Alamos Project Main Gate" A black and white photo of a white building with a big white sign that has black writing that says, "Los Alamos Project Main Gate"

Left image
Los Alamos Project Main Gate during the Manhattan Project.
Credit: LOS ALAMOS NATIONAL LABORATORY

Right image
A re-creation of the historic security gate is at Main Gate Park today.
Credit: NPS

 
 
An image of a tan building with a big tree out front.
Visitor Center & Basic Info

Start your adventure with our visitor center in Los Alamos, NM.

A black and white photo of two older men and two children driving a Jeep.
Directions & Map

Get directions to our visitor center.

A lady in a red coat reads a wayside.
Places to Go

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

Two people walking a dirt trail.
Things to Do

Explore the Manhattan Project with activities throughout Los Alamos.

People gather outside a window.
US Department of Energy Tours

Learn about the US Department of Energy's guided tours of buildings that predate the Manhattan Project.

A park ranger points out something on a map to a visitor.
Trip Ideas

Learn about trip ideas at Los Alamos that last either half day or all day.

A person climbs up a rustic wooden ladder leaning against rocky terrain.
Nearby Attractions

Explore attractions in the region including state and national parks.

A black and white photo of a bunk house with beds lining the sides of the room.
Eat & Sleep

Find dining and lodging options in and around Los Alamos.

Last updated: April 7, 2025

Park footer

Contact Info

Mailing Address:

National Park Service, Manhattan Project National Historical Park
c/o NPS Intermountain Regional Office
One Denver Federal Center, Building 50

Denver, CO 80225-0287

Phone:

Hanford: 509.376.1647
Los Alamos: 505.661.6277
Oak Ridge: 865.482.1942

Contact Us

Tools