Mount Diablo State Park

Mount Diablo State Park is a USA featured on PlaceMap, a directory that gathers verified place data in one place. You will find it at Mount Diablo State Park, Summit Rd, Walnut Creek, CA 94598, United States, an address that is easy to plug into any navigation app. Visitors give it a 4.8 out of 5 across 3324 reviews, a signal worth reading alongside the details below. The surrounding CA 94598 area adds more options if this spot turns out to be busy.

Need a quick confirmation? The listed number +1 925-837-2525 reaches the team directly. The official site http://www.parks.ca.gov/?page_id=517 is also linked, putting the owner’s own information a click away.

Everything on this page is compiled automatically from the source data and was last refreshed on 23 Sep 2026; nothing unverifiable has been added. As with any plan, confirm opening hours and prices directly with Mount Diablo State Park before heading out.