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4 votes

Idaho National Laboratory

Idaho Falls, Idaho 83415 USA

Free to Visit
Closed Now
Opens Tue 9a
  • Independent
  • Not Wheelchair
  • Public
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“Home of the EBR 1!”

In operation since 1949, the Idaho National Laboratory is a government reservation located in the southeastern Idaho desert. At 890 square miles (569,135 acres), the INL Site is roughly 85 percent the size of Rhode Island. It was established in 1949 as the National Reactor Testing Station, and for many years was the site of the largest concentration of nuclear reactors in the world. Fifty-two nuclear reactors were built, including the U.S. Navy's first prototype nuclear propulsion plant. During the 1970s, the laboratory's mission broadened into other areas, such as biotechnology, energy and materials research, and conservation and renewable energy.  INL consists of several primary facilities situated on an expanse of otherwise undeveloped terrain. Buildings and structures at INL are clustered within these facilities, which are typically less than a few square miles in size and separated from each other by miles of undeveloped land. In addition, DOE owns or leases laboratories and administrative offices in the city of Idaho Falls, some 25 miles east of the INL Site border. About 30 percent of INL's employees work in administrative, scientific support and non nuclear laboratory programs and have offices in Idaho Falls. These include engineers; scientists; and administrative, financial, technical and laboratory employees.  This is not your ordinary tour. Take a guided or self-guided tour of EBR1 (Experimental Breeder Reactor 1), the first nuclear reactor in the world to generate electricity, and now a registered National Historic Landmark. It is open Memorial Day through Labor Day from 9am to 5pm Tuesdays and Thursdays. The scheduling process is lengthy and clearance is required, so plan ahead.

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  • 1 Review
  • 2 Helpful
June 25, 2016

I went to the address listed above and it wasn't the INL. It was some other secret type gov or company building. You could go inside, but were immediately met by keypad type security doors. I managed to speak with someone that worked there and they confirmed that INL wasn't based out of this building.

Looking at google, there appears to be an INL building at 2525 Fremont Avenue, Idaho Falls, ID 83402. I wasn't about to go roaming around a high security installation hoping I might find the tourist area... lol.

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Idaho National Laboratory

Idaho Falls, Idaho
83415 USA


Closed Now
  • Tue - Thu: 9:00 am - 5:00 pm

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  • Independent
  • Not Wheelchair Accessible
  • Public Restrooms
  • Street Parking
  • Private Parking
  • Yes Parking
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