Group Campsites — Mount Diablo State Park

Hiking and wildlife viewing draw groups to Mount Diablo State Park, where trails cross oak woodland and grassland with open sightlines toward the Central Valley and Sierra Nevada. Group Campsites accommodates larger parties with picnic tables, fire rings, and toilet facilities, though RVs are capped at 20 feet. Rates run $65 to $165 per night depending on group size. Juniper Campground — Mount Diablo State Park sits less than a mile north for groups needing overflow or additional space. Pets are welcome. Reserve well ahead, especially for spring and fall weekends when demand across camp sites around Mount Diablo State Park runs high.

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RV Road Trip Guides

Map & DirectionsGroup Campsites is located in California near Diablo

Detail location of campground
Public Campground

Address

96 Mitchell Canyon Rd
Clayton, CA 94517

Coordinates

37.867565 N
121.936076 W

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Connectivity

  • signal strength bars
    T-Mobile5G
    Good Coverage
  • signal strength bars
    Verizon5G
    Excellent Coverage
    Verified by 1 user
    Last on 2/2/26
  • signal strength bars
    AT&T5G
    Good Coverage

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Presented byHershey's

Connectivity

  • signal strength bars
    T-Mobile5G
    Good Coverage
  • signal strength bars
    Verizon5G
    Excellent Coverage
    Verified by 1 user
    Last on 2/2/26
  • signal strength bars
    AT&T5G
    Good Coverage

Access

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Features

For Campers

  • Picnic Table
  • Reservable
  • Toilets
  • Pets
  • Fires

Contact

Reservations

Drive Time


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Frequently Asked Questions

How much does it cost to camp at Group Campsites — Mount Diablo State Park?

Camping at Group Campsites — Mount Diablo State Park can cost between $65.00 and $165.00 depending on the site.

What is the max vehicle length at Group Campsites — Mount Diablo State Park?

Group Campsites — Mount Diablo State Park allows vehicles up to 20 feet.

Are fires allowed at Group Campsites — Mount Diablo State Park?

Yes, according to campers on TheDyrt.com, fires are allowed at Group Campsites — Mount Diablo State Park, although make sure to check current fire restrictions in the area.

Does Group Campsites — Mount Diablo State Park have wifi?

No, according to campers on TheDyrt.com, Group Campsites — Mount Diablo State Park does not have wifi.

Is there cell phone reception at Group Campsites — Mount Diablo State Park?

According to campers on TheDyrt.com, there is good coverage for AT&T, good coverage for T-Mobile, and excellent coverage for Verizon.

How hard is it to get a campsite at Group Campsites — Mount Diablo State Park?

Some campers book as far as 6 months in advance, so on high-demand weekends it can be very difficult to get a campsite at Group Campsites — Mount Diablo State Park. If you want to get a last-minute campsite at Group Campsites — Mount Diablo State Park, try setting up a text message Alert atTheDyrt.com/alerts

Why is it so hard to get a campsite at Group Campsites — Mount Diablo State Park?

There are 5 campsites at Group Campsites — Mount Diablo State Park and over 80 million Americans who camp! Try snagging a cancellation by setting up a text message Alert atTheDyrt.com/alerts