Club de Deportes Cobreloa is a Chilean football club from the Atacama Desert mining city of Calama which has established itself as one of the country's most competitive clubs. The club was founded on 7 January 1977 and plays in the Chilean second-tier league, the Primera B de Chile. Cobreloa plays at the Estadio Zorros del Desierto, which has a capacity of 12,000. Their main rivals are Colo-Colo, O'Higgins, Deportes Antofagasta and Cobresal. They wear an all-orange home kit.