Caldera is a port city and commune in the Copiapó Province of the Atacama Region in northern Chile. It has a harbor protected by breakwaters, being the port city for the productive mining district centering on Copiapó to which it is connected by the first railroad constructed in Chile. Caldera lies about 75 km (47 mi) west of Copiapó on the Pacific. The climate is mostly warm and extremely dry, because of its location on the Atacama desert's coast, but the temperatures are moderated by the cooling sea currents. However, lately the climate has become colder due to the climatic change. The commune spans an area of 4,666.6 km2 (1,802 sq mi). More information...
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