Mount Diablo State Park is an outdoor recreation area in Clayton, California, managed by the California Department of Parks and Recreation. The park provides opportunities for families and visitors to experience natural landscapes and engage in outdoor activities across its preserved natural resources. Gates open at 8:00am and close at sunset, with visitors required to be in their vehicles and headed out by sunset.
Fresh kid-friendly spots near you, seasonal guides, and new features — straight to your inbox, every week.
Check your inbox — great places are on the way.
Helping families discover trusted, kid-friendly places to play, learn, and explore — while giving local businesses an affordable way to reach parents.