(Somersville Road exit off Highway 4)
Antioch, CA 94509
Please note: Sydney Flat Visitor Center will be CLOSED until further notice.
Behold remnants of the past and peruse the wonders of the park in a building original to the coalfield. The Sydney Flat Visitor Center contains displays of photographs and artifacts from the 1800s and early 1900s.
Admission is free. Parking fee is $5 per vehicle on weekends and holidays (Visa/Master Card, cash or check only). For more information, or to ask about visiting Sydney Flat Visitor Center during the week, please call (510) 544-2750.