El Teniente Underground Copper Mine

Approx. Time: 8 hours
Activity Level: Easiest

This is a unique opportunity to learn about the second most important mine in Chile and the largest underground copper mine in the world - Codelco-Chile’s El Teniente. Explore inside the mine and the caves of Los Cristales, which is lined with 14,000-year-old crystals. View the hall of Crushing, the Civic Quarter, Sewell, Caletones Foundry, Acid Plant and the truck loading facility.

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