Explore details about location Tres Amigos - Caleta El Cobre. Tres Amigos - Caleta El Cobre is a location situated within the Antofagasta alongside other areas such as RIo Lauca, Peine, Sangra. Additionally, some smaller parts of Tres Amigos - Caleta El Cobre include specific areas like Iquique - Río Loa - Taltal - Cruce Ruta 5 (Las Breas), Sector: Río Loa - Antofagasta adding to the diversity of its landscape.