Keweenaw Research Center, 23620 Airpark Blvd, Calumet, MI 49913, US

The Caledonia Mine, located in Ontonagon, MI, offers a unique geological experience for rock collectors of all levels. With the help of their experienced staff, visitors can dig through their own private ore piles and keep whatever treasures they find, including copper specimens, quartz, calcite, feldspar, and more. Established in 1863 and now operated by Evergreen Explorations, the Caledonia Mine is a family-run business that provides guests with the opportunity to explore an underground, walk-in copper mine that stretches nearly a mile and a half in length. Whether you're a seasoned collector or a beginner, the mine offers a variety of ore piles to choose from, including family-size piles, single-person piles, tailings piles, and even a specialized datolite pile for those seeking a more unique and challenging experience.Generated from the website