10/15/2026
Despite the fact the Empire Mine was discovered and established in 1850, Empire Mine State Historic Park is just now celebrating its 50th anniversary—that is, the date it was officially
Empire Mine SHP is one of the largest, richest and longest operating gold mines in California (1850-1
10791 East Empire Street
Grass Valley, CA
95945
| Monday | 10am - 5pm |
| Tuesday | 10am - 5pm |
| Wednesday | 10am - 5am |
| Thursday | 10am - 5pm |
| Friday | 10am - 5pm |
| Saturday | 10am - 5pm |
| Sunday | 10am - 5pm |
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