Diablo State Park - Clayton, CA

Diablo State Park - Clayton, CA Diablo State Park - Clayton, CA Diablo State Park - Clayton, CA Diablo State Park - Clayton, CA Diablo State Park - Clayton, CA
Shade Available
Covered Shelter
Seating
Parking
Agility Equipment

Diablo State Park: A Top Dog-Friendly Destination in Clayton, California

Diablo State Park, located at 157 Regency Dr in Clayton, California, is a haven for outdoor enthusiasts and their canine companions. Known for its breathtaking panoramic views, pet-friendly hiking trails, and varied terrain ranging from grassy open fields to scenic rock formations like Rock City, this park is ideal for dog owners looking to enjoy quality time in nature. Hikers rave about the well-maintained paths, excellent climbing opportunities, picturesque picnic spots, and the abundance of wildlife and wildflowers throughout the year. Don’t miss the summit, where you’ll be rewarded with 360-degree vistas and a welcoming visitor center.

While Diablo State Park is not a traditional fenced dog park, it is extremely dog-friendly with welcoming open spaces and plenty of grassy areas for your pet to run or relax. Dogs are welcome on-leash throughout the park’s extensive trail network. For dog sport enthusiasts, the park is also home to Diablo Peak Dog Sports, which offers agility classes from puppy foundations up to master levels on their dedicated fields. With nearby playgrounds, shelters with shade, and lots of seating and picnic areas, it’s a great spot for the whole family—just remember to bring water for you and your dog, and plan ahead as restroom facilities may be limited in certain areas.

Diablo State Park FAQ

  • Are dogs allowed off-leash at this park? Dogs must remain on-leash in all areas unless participating in organized agility classes.
  • Is there a fenced area for dogs? No, there is not a fully fenced dog area.
  • What are the park’s leash requirements? Dogs are required to be on-leash throughout Diablo State Park.
  • Are there restrooms available for owners? Restrooms are available near the summit and some parking areas, but are limited in backcountry sections. Plan accordingly.
  • Is there a playground or activities for kids nearby? Yes, there are playgrounds and the unique Rock City area for children to explore.
  • Is there a fee or membership required to enter? There is a $10 per car entry fee.
  • Where is the best place to park? Multiple parking areas exist near main attractions and trailheads, including Rock City and the visitor center at the summit.
  • Are there walking or hiking trails connected to the park? Yes, Diablo State Park boasts an extensive trail system for all levels.
  • Is there agility equipment for dogs to play on? Yes, Diablo Peak Dog Sports offers agility fields with equipment for classes and training.
  • Is the park regularly cleaned and maintained? Reviews consistently mention the park is clean and well-maintained.

Reviews

Devin

Did the Six Peaks Loop trail and really enjoyed the ice cream and nice little museum at the top of Mount Diablo. Met plenty of kind humans there while we were taking our much needed break.

Devin

Did the Six Peaks Loop trail and really enjoyed the ice cream and nice little museum at the top of Mount Diablo. Met plenty of kind humans there while we were taking our much needed break.

Ekaterina Terekhova

Early July 2024
Here is a beautiful place for relaxing and hiking. Wide and narrow roads, sometimes saved shadow. Hiking shoes are a must-have. There are no restrooms on my way.

Ekaterina Terekhova

Early July 2024
Here is a beautiful place for relaxing and hiking. Wide and narrow roads, sometimes saved shadow. Hiking shoes are a must-have. There are no restrooms on my way.

David Nagel-Nunez

Beautiful park and very well maintained. We drove up to the main peak, and it was NULL per car to enter. Reasonable price for a beautiful place. The views were spectacular going up the mountain and at the top. Definitely worth it if you’re in San Francisco!

David Nagel-Nunez

Beautiful park and very well maintained. We drove up to the main peak, and it was NULL per car to enter. Reasonable price for a beautiful place. The views were spectacular going up the mountain and at the top. Definitely worth it if you’re in San Francisco!

David H. Gleit (Gedawei 葛大為)

Simply gorgeous place on a springtime morning in late April. Grass still green, trees leafing out, stream still running and wildflowers blooming. Idyllic. I took Back Creek Trail going up, and was pleasantly surprised to cross the creek a number of times – the water is running, but it’s easy to cross. Came down Donner Creek Road, which was a little too wide for my tastes (I much prefer a narrow trail) but it was still very scenic. Saw some anise swallowtails on the way down. Delightful in every way.

David H. Gleit (Gedawei 葛大為)

Simply gorgeous place on a springtime morning in late April. Grass still green, trees leafing out, stream still running and wildflowers blooming. Idyllic. I took Back Creek Trail going up, and was pleasantly surprised to cross the creek a number of times – the water is running, but it’s easy to cross. Came down Donner Creek Road, which was a little too wide for my tastes (I much prefer a narrow trail) but it was still very scenic. Saw some anise swallowtails on the way down. Delightful in every way.

C Varty

Great trails, great park. Donner canyon to middle trail then Prospectors gap and up Summit Trail. 3586′ of climb, 9.8 miles and 4hrs.
Most trails very good and well marked. There are some technical areas that you need to be careful on the way up and especially on the way down (loose rock/steep) on the Summit Trail section.

C Varty

Great trails, great park. Donner canyon to middle trail then Prospectors gap and up Summit Trail. 3586′ of climb, 9.8 miles and 4hrs.
Most trails very good and well marked. There are some technical areas that you need to be careful on the way up and especially on the way down (loose rock/steep) on the Summit Trail section.

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