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Mount Diablo State Park

Closed Now: 8:00 AM - 4:00 PM
Open today: 8:00 AM - 4:00 PM
Review Highlights
Wonderful views even if it is a bit cloudy

There is a slow road up to the peak and you have to watch for cyclists. We went early on a misty... read more

Reviewed 1 week ago
On a clear day you can see forever

Mt Diablo is a majestic mountain rising from 400 to 3800 ft out of the Ygnacio Valley in Walnut... read more

Reviewed January 6, 2019
Walnut Creek, California
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  • Excellent66%
  • Very good29%
  • Average3%
  • Poor1%
  • Terrible1%
Travelers talk about
“walnut creek”(10 reviews)
“south gate”(4 reviews)
Offers vast views from its summit.
Closed Now
Hours Today: 8:00 AM - 4:00 PM
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96 Mitchell Canyon Rd, Clayton, CA 94517-1500
+1 925-837-2525
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1 - 10 of 171 reviews
Reviewed 1 week ago

There is a slow road up to the peak and you have to watch for cyclists. We went early on a misty Sunday morning and as we drove emerged from the clouds. It is the most spectacular view and on a good day apparently one...More

Date of experience: January 2019
Thank UKTurkeyTrotter
Reviewed January 6, 2019

Mt Diablo is a majestic mountain rising from 400 to 3800 ft out of the Ygnacio Valley in Walnut Creek. The drive up the mountain requires careful driving so keep a keen eye out for the many bicyclists who enjoy its challenge. Starting up a...More

Date of experience: September 2018
1  Thank vwheato
Reviewed December 19, 2018

Took a drive from Stockton but our GPS took us thru a residential area and then just to a dead end street with a creek in front of us. Can not rate it since we never saw it.

Date of experience: December 2018
1  Thank Dean F
Reviewed November 14, 2018

OK so if you don't like heights, this is really not the place to go as the drive up to the summit takes you to the edge of some some pretty steep drops with no barriers. Takes about 25 minutes to drive (carefully)from bottom to...More

Date of experience: September 2018
1  Thank edward M
Reviewed October 13, 2018

Whew made it to the summit of Mt Diablo... sure we drove. Nice Beacon at the top but a fabulous view of the whole area. Thanks friends for taking us there.

Date of experience: October 2018
1  Thank woodshedempty
Reviewed September 20, 2018

This was an incredible place to visit. The views from the summit are fantastic; reading about the summit in the building is also well worth the time. Now to get to the summit....the drive is...well, challenging! I have a fear of heights, and I'm still...More

Date of experience: April 2018
3  Thank Matt S
Reviewed August 22, 2018

Nothing devilish here. Just a nice spot to hike and picnic. The top of the peak has some great views.

Date of experience: September 2017
1  Thank TravelinSuz
Reviewed August 6, 2018 via mobile

A beautiful picnic spot... with trails for hiking and cycling. Has a awesome view of the bay from the top. There is a museum

Date of experience: August 2018
Thank mamtaprashant
Reviewed August 6, 2018

Hiked up already couple of times over the last month and it's a great work out in nature (not in hot summer month). Always watch your step. On one occasion I was just 2 steps away of a rattlesnake and luckily I stopped in time...More

Date of experience: April 2018
Thank Robert W
Reviewed July 10, 2018

The park has great trails and the road to the top is very good for bicyclists. Bring lots of water during the summer. The views from different locations are incredible

Date of experience: June 2018
Thank beverly m
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Questions & Answers
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October 29, 2017|
AnswerShow all 2 answers
Response from CliveNoble | Reviewed this property |
We just climbed the big stone boulders which i'm sure she would be able to do. We saw other kids her age doing them. Hope that helps.
Rikki V
June 24, 2017|
AnswerShow all 3 answers
Response from Rikki V |
I did go to the website and decided to try here for an answer. Since then spent one night at Juniper site no area to jump in water or fish but a very nice campground and not far to the peak. I will return for more.