High Quality Content by WIKIPEDIA articles! The Yucca Mountain Nuclear Waste Repository was to be a deep geological repository storage facility for spent nuclear reactor fuel and other high level radioactive waste, until the project was canceled in 2009. It was to be located on federal land adjacent to the Nevada Test Site in Nye County, Nevada, about 80 mi (130 km) northwest of the Las Vegas metropolitan area. The proposed repository was within Yucca Mountain, a ridge line in the south-central part of Nevada near its border with California.