Yucca Flat is a closed desert drainage basin, one of four major nuclear test regions within the
Nevada Test Site (NTS), and is divided into nine test sections: Areas 1 through 4 and 6 through 10. Yucca Flat is located at the eastern edge of NTS, about ten miles (16 km) north of
Frenchman Flat, and from
Las Vegas, Nevada. Yucca Flat was the site for 739
nuclear tests – nearly four of every five tests carried out at the NTS.