Caledonia Mine

Copper mine collecting tours, Upper Peninsula MI

Rock and Mineral Collecting
at the Caledonia Native Copper Mine
near Ontonagon, MI
in the Upper Peninsula of Michigan.

Evergreen Explorations LLC
Phone 517-518-4742 or

Spend an exciting day digging through
your own private ore pile in search of native copper,
silver, datolite, quartz, feldspar, calcite, and epidote!!

All ages are welcome to join in this unique experience.
Digging is by advance reservation only.
Please contact Evergreen Explorations for reservations.

Our experienced and knowledgeable staff will be on hand to help with collection techniques and specimen identification. This is truly a hands-on educational and potentially profitable experience. Caledonia Mine is set in the side of a mountain overlooking the beautiful valley of the Flint Steel River. The mine is easy to reach, a 20 minute drive from Ontonagon, Michigan. The area is full of other fun things to do near by, from hiking the Porcupine Mountains to relaxing on the beautiful sandy beaches of Lake Superior.

Featured on The Travel Channel:
The Best Places to Find Cash & Treasures!

Rock & Mineral Collecting: The mine is open from mid-May through early September with a limited number of dates available. Rock piles are built from the original ore left from mining days. Collecting is by advance reservation only. In addition. we offer rock and mineral collecting adventures for groups at other nearby mines that we own.

Fun at the Caledonia Mine

  • Copper Nugget sluice. Try your hand at slucing and panning for copper nuggets. Each ore pile dig includes a bag of high-grade concenrate with copper nuggets. Instruction and use of pan is included.
  • On-Site demonstrations of cleaning and preparing your treasures
  • An optional underground mine tour may be offered soon. This is still in the development stage. 

Private Ore Pile
After commercial mining ceased, thousands of tons of broken ore remained at the Caledonia Mine. We will build you a private ore pile and our staff will be there to help you make some exciting finds.

$200 for a 3 cubic yard load, suitable for 3 or 4 people, and the use of a bucket containing 2 rock hammers, a hand digging tool, hoe and bags.

You will have approximately 4 hours to break down your pile and keep whatever you choose. Each pile is supplied with water to rinse the minerals and ore. Bring your own collecting and safety gear or we have safety gear available for rental or purchase by advance request.

Safety and Collecting Gear
Safety Glasses (Required)
Gloves (Recommended)
Mason or Rock Hammer, Sledgehammer (no household or carpenter hammers)
Digging Tools
Buckets, Bags
Metal Detector

Amenities available for your use:

A beautiful Pavilion with picnic tables is available for no extra charge.

Rest out of the sun, bring a lunch, relax and enjoy the beautiful valley view!

A Port-o-john to keep the experience from being too primitive!!

The Caledonia Native Copper Mine is now owned by Evergreen Explorations.
Plan now for an exciting adventure digging for rocks and minerals in your private rock pile from the Caledonia Mine

Click Here for a map showing the location of the Caledonia Copper Mine,
Mass City, MI in the Upper Peninsula of Michigan

Short History of the Caledonia Native Copper Mine

Plan now to visit the Caledonia Mine in the Summer of 2014
Phone 517-518-4742 for Reservations and Additional Information or

We accept MasterCard, Visa, Discover, American Express, or pre-payment by check.
Full payment is required with reservation

Mailing Address
Evergreen Explorations
2164 E Allen Road
Howell, MI 48855
Phone: 517-518-4742



Ontonagon Michigan
Adventures in the Upper Peninsula
Recreation in the Upper Peninsula
Rock Collecting in the Western Upper Peninsula
The Upper Peninsula Traveler
Home Page: Exploring the North


Photos: Evergreen Explorations

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