The Festival Opera puts on seasonal performances in Walnut Creek.
Address: Festival Opera Association, 675 Ygnacio Valley Road, Suite B215, Walnut Creek, CA 94596-2733, United States
Phone: 1 (925) 944-9610, Fax: 1 (925) 944-1078
Mount Diablo State Park is located east of San Francisco. Its 20,000 acres offer hiking trails. Visitors can drive almost to the summit of Mount Diablo for excellent views. On clear days 600 miles of the Sierra Nevada Range and portions of 35 counties are visible. On the summit is an interpretive center.