Mount Diablo State Park

Mount Diablo State Park

Mount Diablo is a dominant topographic feature in northern California. It was established in 1851 as the initial point of the Mount Diablo Base Line and Meridian for land surveys spanning two-thirds of California and all of Nevada. The mountain’s summit boasts spectacular panoramic views.

The State Park offers camping, hiking and biking trails (no dogs allowed on trails), picnic areas, a visitors center and more. 

Dogs are allowed at the campground and in developed areas of the park, such as picnic areas. Dogs must be kept on a leash during the day and in an enclosed vehicle or tent at night. Dogs are NOT permitted on trails, fire roads or in park buildings.