Empire Mine State Historic Park was added to Your Favorites!

Grass Valley, California
Claim this place to tell your story your way.
The Empire Mine operated for over 100 years, producing 5.8 million ounces of gold before closing in 1956.
The mine features over 367 miles of underground tunnels, making it one of the most extensive mining networks in the state.
The park includes beautifully landscaped gardens and the historic Bourn Cottage, offering a glimpse into the lives of the mine's owners.
Significant efforts have been made to restore and preserve the natural landscape, including the cleanup of mining waste and reforestation projects.
The gold extracted from the mine significantly contributed to the state's economy during the Gold Rush era and beyond.
At its peak, the mine employed over 1,000 workers, many of whom were immigrants from countries like Italy and China.
The park offers guided tours that educate visitors about the history of gold mining and the technological advancements of the time.
During the war, the mine's operations were reduced as resources were redirected to support the war effort.