Hiker's Guide to Mount Diablo State Park

Discover the natural wonders of an urban wilderness. Soaring rocky summits, deep stream-cut canyons, flowery meadows, and silent forests await hikers in Mount Diablo State Park. Located in California's Contra Costa County just 30 miles east of San Francisco, Mount Diablo offers a rich diversity of landscapes, plants, and animals. So lace up your hiking boots, pack a lunch, and explore the mountain's magnificent trails. Whether you're looking for an exhilarating full-day adventure or a gentle family stroll, you'll find the perfect hike with Hiker's Guide to Mount Diablo State Park.