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Black Diamond Mines Greathouse Visitor Center

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Fees
Admission is free. Parking fee is $5 per vehicle on weekends and holidays (Visa/Master Card, cash or check only).
Hours
Sat. & Sun.: 10am-4:00pm (Year Round)
Friday: 10am - 2:00pm (Mar–Nov)
Address
5175 Somersville Road
(Somersville Road exit off Highway 4)
Antioch, CA 94509
Phone
(510) 544-2750
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Venue Activities

Kid friendly
Kid-Friendly

VERY HIGH Fire Danger in Effect for Parks in NE REGION on SATURDAY, July 2. Follow All Restrictions Below.

  • No campfires outside of designated day-use picnic areas, campgrounds, or developed recreational areas.
  • Barbeques permitted only in designated day-use picnic areas, campgrounds, or developed recreational areas.
    Gas-fueled stoves are permitted in all designated areas.
  • No off-road driving. Drive only on designated roadways. No driving or parking on dry grass; heat from vehicle's undercarriage can start a fire.
  • Secure all tow chains; a dragging chain throws sparks that can start fires.
  • Parks in North East Region || See more info: Fire Danger Levels & Restrictions

View programs/events at all visitor centers

Visitors at the Black Diamond Mines Visitor Center

Black Diamond Mines Naturalist Programs

Join us for our monthly programs!

View Events

The Greathouse Visitor Center is located in an underground chamber excavated in the mid-1920s. View the workings of a 20th-century sand mine and learn about the lives of 19th-century coal and 20th-century sand miners. The center contains displays, photographs, and artifacts related to the park’s coal and sand mining eras.

Admission is free. Parking fee is $5 per vehicle on weekends and holidays (Visa/Master Card, cash or check only). For more information, call (510) 544-2750

Upcoming Events

dropin program
Drop-in Program

Mine Open House

Black Diamond Mines, Antioch
dropin program
Drop-in Program

The Reptile Way

Black Diamond Mines, Antioch
registration required
Registration Required

Black Diamond Mining History Tour

Black Diamond Mines, Antioch
registration required
Registration Required

Coal Mine Experience

Black Diamond Mines, Antioch
registration required
Registration Required

Hazel Atlas Mine Tour

Black Diamond Mines, Antioch
registration required
Registration Required

Coal Mine Experience

Black Diamond Mines, Antioch