Diablo Hills Regional Park is a 1,060-acre public park showcasing the striking Diablo Foothills, which serve as a gateway to the Walnut Creek Open Space and Mt. Diablo State Park. The park, which is accessible via Interstate 680, offers unparalleled panoramic views of the surrounding mountains and the greater San Francisco Bay Region and is home to Castle Rock Recreation Area, which offers a wide variety of day-use outdoor visitor recreation opportunities. Seasonal wildflowers are viewable throughout the park, making for prime photo opportunities during the spring and summer months. Though no developed visitor facilities are offered at the park, open space is available for cycling, hiking, horseback riding, and wildlife watching. Picnic facilities may also be prepared for large groups and special events looking to host events at the park.
1700 Castle Rock Road, Walnut Creek, CA 94598, Phone: 510-544-3086, (website link)
Get Ready to Go!
- 1. Plan & Book:
- Visit the website and book directly, or call ahead to confirm hours.
- Find your stay: If needed, search for Hotel Deals nearby. Read reviews and book directly with the hotel, requesting any special amenities (romantic, kid-friendly, pet-friendly).
- Book your flight: If flying, compare flights and book directly with the airline. Add your frequent flier number and reserve your seat.
- Plan your trip:
- Estimate your driving time: Use Google Maps (click the blue 'Directions' arrow in the search box).
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Read our Reservations & Travel Planning Tips guide.