![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/0/01/K25_circa_1945.jpg/640px-K25_circa_1945.jpg&w=640&q=50)
Happy Valley, Oak Ridge, Tennessee
Temporary construction camp / From Wikipedia, the free encyclopedia
For other places in Tennessee with the same name, see Happy Valley, Tennessee (disambiguation).
Happy Valley was a construction camp of trailer homes and hutments at the Clinton Engineer Works of the Manhattan Project in the 1940s. It was located near the K-25 gaseous diffusion plant in Oak Ridge, Tennessee, to lessen travelling time for the seventeen thousand construction men working there.[1]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/0/01/K25_circa_1945.jpg/640px-K25_circa_1945.jpg)
The Happy Valley settlement was dismantled in the early 1950s.