California State Mining and Mineral Museum
Located at the Mariposa County Fairgrounds
Open House
Saturday, September 12 at 12:00 - 4:00 p.m.
FREE Admission
See what the Museum has to offer, and how you can be part of our team!

Gold and Gems, Crystals
Gold Rush & Mining History
Underground Mine Tunnel
Gold Rush & Mining History
Underground Mine Tunnel
49er Prospectors Camp and Gold Panning
Mine Tours & Lots of hands-on Minerals
- Volunteer training classes begin Wednesday, September 23, 2015. Orientation at 4:30 p.m.
- Learn about California’s rich mining history and fantastic mineral wealth, surrounded by the fantastic State Mineral Collection!
- Our Docents share the excitement as they reveal the wonders of California mining, gold, gems and mineral crystals to our visitors.