Round Mountain is a small town in Nye County, Nevada. The population of Round Mountain, Nevada as of 2005 is 744 . Round Mountain is best known for the Round Mountain gold mine, a large open pit heap-leach gold mine owned by Kinross Gold Corporation (50% owner and operator) and a subsidiary of Barrick Gold Corporation (50% owned). The first gold production from the Round Mountain District was in 1906, and by 2006 the mine had produced over 10 million ounces of gold, worth about US$9.5 billion at 2009 prices. Ore reserves and resources total about 1.8 million ounces of gold as of the end of 2007. The gold occurs on the rim of an ancient collapsed caldera and is mainly fine-grained, with visible (and sometimes spectacular) gold occurring in structural intersections.