Mount Diablo State Park

Clayton, California
Established 1921
20,681 acres

Mount Diablo State Park features sweeping panoramic views, diverse wildlife, and unique geological formations. Visitors can enjoy scenic drives, challenging hikes, and rich natural history, all centered around the iconic 3,849-foot summit. The park is a popular destination for outdoor enthusiasts and nature lovers year-round.

Entrance Fee

10

Visiting with Dogs

Dogs allowed only in developed areas, on leash; not permitted on trails or fire roads. Clean up after pets.

Visitor Tips & Reviews

What Visitors Say

Visitors love Mount Diablo’s sweeping views, scenic trails, wildflowers, and summit experience, making it a top spot for hiking, biking, and enjoying Bay Area nature.

Tips from Visitors

  • Arrive early for parking; lots fill quickly on weekends.
  • Bring plenty of water, especially in summer heat.
  • Check weather; summit can be windy and cool.
  • Watch for poison oak along trails.
  • Carry cash for entrance fees.
  • Respect wildlife and stay on marked trails.

Amenities

RestroomsParkingPicnic AreasVisitor CenterScenic OverlooksDrinking WaterInterpretive Exhibits

Nearby Attractions

Explore these attractions near Mount Diablo State Park:

  • Lindsay Wildlife Experience
    A family-friendly wildlife rehabilitation center and museum in Walnut Creek, featuring live animal exhibits.
    11 miles away
  • Black Diamond Mines Regional Preserve
    A historic park with mine tours, wildflowers, and scenic hiking trails in the East Bay hills.
    12 miles away
  • John Muir National Historic Site
    The preserved home and grounds of naturalist John Muir, offering tours and educational programs.
    18 miles away

Things to Do at Mount Diablo State Park

HikingBikingWildlife ViewingPicnickingPhotographyStargazingNature Study

Camping at Mount Diablo State Park

Tent and small RV camping only; no hookups or cabins. Reservations recommended. Year-round, limited amenities, fire restrictions possible.

Hiking Trails

Mount Diablo State Park offers a variety of scenic day hikes with panoramic views of the Bay Area, wildflower displays in spring, and diverse wildlife. Trails range from moderate to challenging, with the Summit Trail being a favorite for its rewarding vistas. Hikers often praise the well-maintained paths, unique rock formations, and the sense of accomplishment upon reaching the summit.

Summit Trail

Hard

A challenging trail that leads hikers from the Mitchell Canyon area to the summit of Mount Diablo, offering panoramic views.

7 mi
4-5 hours
3,200 ft gain
Hard difficulty

Mitchell Canyon Loop

Hard

A scenic loop that traverses Mitchell Canyon, Deer Flat, Eagle Peak, and the summit, featuring diverse landscapes and wildflowers.

13.2 mi
6-7 hours
3,800 ft gain
Hard difficulty

Eagle Peak Trail

Moderate

A moderately strenuous hike to Eagle Peak with sweeping views of the surrounding valleys and Mount Diablo.

6 mi
3-4 hours
2,000 ft gain
Moderate difficulty

Falls Trail Loop

Moderate

A popular springtime loop featuring several seasonal waterfalls and lush canyon scenery.

6.8 mi
3-4 hours
1,500 ft gain
Moderate difficulty

Directions

From I-680, take the Diablo Road exit east, follow signs to Mount Diablo State Park. Enter via South Gate or North Gate Road.

Frequently Asked Questions

What are the best hiking trails in Mount Diablo State Park?

Popular trails include the Summit Trail, Mitchell Canyon Loop, and Eagle Peak Trail. Each offers scenic views, wildflowers in spring, and varying difficulty levels.

Can I drive to the summit of Mount Diablo?

Yes, you can drive to the summit via Summit Road. There is a parking lot at the top and a Visitor Center with panoramic views.

Are dogs allowed in Mount Diablo State Park?

Dogs are allowed in developed areas, campgrounds, and paved roads, but not on hiking trails or in backcountry areas.

What is the best time to visit Mount Diablo for wildflowers?

The best time for wildflowers is typically March through May, when the hillsides are covered in colorful blooms.

Is camping available at Mount Diablo State Park?

Yes, there are several campgrounds, including Juniper and Live Oak. Reservations are recommended, especially on weekends and holidays.

What wildlife might I see at Mount Diablo State Park?

Visitors often spot deer, coyotes, bobcats, hawks, and a variety of reptiles and birds. Always observe wildlife from a safe distance.