Mineros S.A. engages in the exploration, development, and production of gold in Central and South America. It explores for gold and silver deposits. The company holds an interest in the Nechi Alluvial Property covering an area of 473 square kilometers located in the Lower Cauca Region of Antioquia in northwestern Colombia; the Hemco Property that covers an area of 2,270 hectares located in Bonanza, Nicaragua; the La Pepa Project located in the Cavancha, Chile; and option to acquire a 100% interest in a gold exploration project in the Department of Tolima, Colombia. It also engages in hydroelectric power generation activities. The company was formerly known as Mineros de Antioquia S.A. and changed its name to Mineros S.A. in May 2004. Mineros S.A. was incorporated in 1974 and is headquartered in Medellin, Colombia. Mineros S.A. operates as a subsidiary of Sun Valley Investments AG.