Poppies

Black Diamond Mines Greathouse Visitor Center

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-4pm
Friday: 10am-2pm
Address
5175 Somersville Road
(Somersville Road exit off Highway 4)
Antioch, CA 94509
Phone
(510) 544-2750

Venue Activities

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Kid friendly
Kid-Friendly

View programs/events at all visitor centers

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Visitors at the Black Diamond Mines Visitor Center

Black Diamond Mines Naturalist Programs

Join us for our monthly programs!

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