| Mount Diablo State
Park Regulations |
![]() |
| ALCOHOLIC BEVERAGES |
| ALL ALCOHOLIC BEVERAGES PROHIBITED IN PARK. State laws regarding alcoholic beverages are STRICTLY ENFORCED. |
| VEHICLES / BICYCLES |
| SPEED LIMIT is 15-25 MPH on
park roads; 15 MPH in campgrounds or picnic areas. OFF ROAD USE PROHIBITED. All vehicles
must stay on pavement and are prohibited on trails and fire roads. BICYCLES ARE ALLOWED only on paved roads, fire roads, and designated trails. Check at Ranger station for current regulations. Park closures occur during periods of very high and extreme fire danger. The closures apply to bicyclists. HELMETS ARE REQUIRED ON JUVENILES. All riders are encouraged to use helmets. Helmets save lives and prevent serious injuries. For more information on biking see MDIA's Biking page. |
GRAVITY PROPELLED DEVICES |
| SKATEBOARDS, ROLLERSKATES,
ROLLERBLADES and other Gravity Propelled Devices are prohibited. |
| DOGS |
| Dogs MUST BE IN TENT or
vehicle at night. MUST BE ON LEASH at all times when out of your car. MUST STAY IN
DEVELOPED AREAS ONLY - not allowed on trails or fire roads.. |
| CAMPING |
| MAXIMUM OF 8 PERSONS AND 2
VEHICLES PER CAMPSITE IS PERMITTED ONLY IN THE JUNIPER, JUNCTION, AND LIVE OAK
CAMPGROUNDS. USE DESIGNATED CAMPSITES ONLY. JUVENILES (under 18) MUST HAVE WRITTEN
PERMISSION FROM PARENTS. QUIET HOURS 10 p.m. to 6 a.m. NO ELECTRIC GENERATORS 8 p.m. to 10
a.m. See Camping Page for more information on
camping. |
RESERVATIONS |
| Campground reservations may be
needed. All unreserved sites are available on a first come, first served basis. The sites
will rarely fill up except under exceptional weather conditions and on occasional weekends
and holidays. See Camping Page for more
information on camping. |
| GROUP PICNICS |
| For reservations and more
information call the park in advance at (925) 837-2525. |
| FIRES |
| RESTRICTIONS IN EFFECT DURING
FIRE SEASON - check with ranger. MUST BE IN STOVES OR BARBEQUES PROVIDED - no ground
fires. FIREWOOD GATHERING PROHIBITED |
| PEACE AND QUIET |
| Noise must not carry beyond
your immediate camp or picnic site. |
| TELEPHONES |
| Telephones are located at
Junction Headquarters, Summit and Mitchell Canyon Parking Area.. Dial 911 for emergencies. |
| FIREWORKS |
| FIREWORKS are
prohibited. |
| FIREARMS/AIRGUNS |
| FIREARMS/AIRGUNS are
prohibited. |
| NO HUNTING |