What is the maximum RV length at Mount Diablo SP?

No RV sites listed (per the listing)

How do I reserve a site at Mount Diablo SP?

Reservable on reservecalifornia.com (per the listing)

Camping at Mount Diablo SP near Clayton, CA

Site	Fr 13	Sa 14	Price
GWLC group campsites	✓	✓	$100
JC1 juniper campground	R	R	$30
JC2 juniper campground	✓	R	$30
LO1 live oak campground	✓	R	$30
LO2 live oak campground	✓	R	$30
JC4 juniper campground	✓	R	$30
JC20 juniper campground	R	R	$30
JC27 juniper campground	✓	R	$30
JC26 juniper campground	R	R	$30
JC3 juniper campground

Available Nov 13–15 · 2 nights6 sites open for every night

Sunrise & Sunset storybook Retreat

7.7 mi from Mount Diablo SP (straight-line)

Sites from $115/night

$230 total for Nov 13–15 · before taxes & fees

Rates & availability from Hipcamp · you book on their site

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Available Nov 13–15 · 2 nights1 site open for every night

Bandits Backyard Lounge

10.1 mi from Mount Diablo SP (straight-line)

Sites from $58/night

$116 total for Nov 13–15 · before taxes & fees

Rates & availability from Hipcamp · you book on their site

View Campsites

Available Nov 13–15 · 2 nights1 site open for every night

The Ranch at Cross Road

18.5 mi from Mount Diablo SP (straight-line)

Sites $50/night

$100 total for Nov 13–15 · before taxes & fees

Rates & availability from Hipcamp · you book on their site

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Ideas for your stay

An idea to start from, built from this campground's listing and real tours nearby. Times, openings and prices change, so check each before you go.

Day 1 · Arrive and settle in

Check in and set up camp.

Day 2 · Get out and explore

Small Group Yosemite and Giant Sequoias Day Trip from San Francisco San Francisco area · 14 hr · from $227/person
San Francisco Love Tour San Francisco area · 2 hr · from $99/person

Day 3 · One more stop, then head home

Painted Ladies San Francisco City Tour San Francisco area · 2 hr · from $82/person

Bring a tent or have an RV waiting

Tent camping here: 2 sites take tents. See open sites ↑

Need an RV for your stay?

Rentals that may deliver here and whose listed length fits sites up to 20 ft. Delivery may be available — confirm fees and dates with the owner before you book.

2020 Tiffin Wayfarer 19TM 19' length Great for first timers

Class C motorhome · 19 ft · sleeps 4 · 23 mi from campground

$205/night listed · Outdoorsy · Delivery may be available

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2019 Teardrop Sunray 109 - Length: 12' - Weight: 1,090lbs.

Travel trailer · 12 ft · sleeps 2 · 24 mi from campground

$79/night listed · Outdoorsy · Delivery may be available

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Adventures Awaits w/ our '23 Winnebago Revel - Sunshine the Adventure Van

Camper van · 19 ft · sleeps 2 · 54 mi from campground

$215/night listed · RVshare · Delivery may be available

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Activities near Mount Diablo SP

Bookable tours nearby

Paid experiences on Viator. Distances are from this campground when the tour lists its own start point.

Seasons, rates and how booked it gets

stays up to 15 nights (California State Parks rules).

Share of site-nights open, booked and closed on California State Parks for the next months, checked Nov 7. Months further out may not be released for booking yet.

Month	Open	Booked	Closed
Nov 2026	81%	19%	0%
Dec 2026	96%	4%	0%
Jan 2027	98%	2%	0%
Feb 2027	98%	2%	0%
Mar 2027	97%	3%	0%
Apr 2027	90%	9%	0%
May 2027	94%	6%	0%

Month

Open

Booked

Closed

Nov 2026

81%

19%

Dec 2026

96%

Jan 2027

98%

Feb 2027

98%

Mar 2027

97%

Apr 2027

90%

May 2027

94%

Camping at Mount Diablo SP near Clayton

At a glance

0 available sites

Amenities & location

Location

Mount Diablo SP: questions answered

At a glance