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Pop.: 988
Elev.: 528 ft.
Area: 1.0 sq. miles

Enjoying a small population of just 1,200 residents, this upscale and affluent community boasts the prestigious Diablo Country Club and many fine luxury estates. Diablo gives its residents plenty of room to spread out—even own a horse if they want.

Nestled into the base of picturesque Mt. Diablo State Park at the foot of Blackhawk Ridge, Diablo enjoys easily-accessible shopping in nearby Danville, Alamo, Blackhawk and Walnut Creek while “living graciously in the country.” Although small, Diablo is noted for its exclusivity and actually is the 36th richest town in the United States.

California State Parks – Mount Diablo

California State Park – Mount Diablo is one of the ecological treasures of the San Francisco Bay Area. Every season in the park has its special qualities. Discover for yourself the mountain’s beautiful wildflowers, its extensive trail system, fascinating wildlife and distinctive rock formations. View the stars from its lofty heights, bike ride to its 3,849 foot summit or explore the more remote trails by horseback. The park offers hiking, biking, horseback riding and camping.

Many visitors to Mount Diablo head straight for the summit to enjoy the famous view. Summer days are sometimes hazy, and the best viewing is often on the day after a winter storm. Then, you can look to the west, beyond the Golden Gate Bridge, to the Farallon Islands; southeast to the James Lick Observatory on Mount Hamilton at 4,213 feet elevation; south to Mount Loma Prieta in the Santa Cruz Mountains at 3,791 feet elevation, north to Mount Saint Helena in the Coast Range at 4,344 feet elevation, and still farther north to Mount Lassen in the Cascades at 10,466 feet. North and east of Mount Diablo the San Joaquin and Sacramento Rivers meet to form the twisting waterways of the Delta. To the east beyond Califomia’s great central valley, the crest of the Sierra Nevada seems to float in space.

Impressive exhibits chronicle the history of the mountain and capture its majesty. A rock wall with instructional video examines the geological forces which created the mountain. A diorama, complete with sound, offers an overview of the park’s ecosystems, and its cultural history. A model of the mountain acquaints visitors with important park locations. Splendid artwork and photographs enhance the visitor’s experience. A gift shop and audio-visual room are also located in the building.

The Center has displays about various aspects of the park, such as geology, wildlife, trails, and plant life. Interpretive materials about the Park, such as geology, wildlife, and plants, are for sale. There are also postcards, note cards, trail maps, and water for sale.

  • Mary Bowerman Trail
    Just below the summit, this trail offers spectacular vistas that can be enjoyed along the way. The first half of the gentle 0.7-mile loop trail is accessible to visitors in wheelchairs. Pick up a copy of the trail Nature Guide at the trailhead.
  • Rock City
    You’ll find unusually large sandstone formations and small caves here.
  • Boy Scout Rocks and Sentinel Rock
    These are popular places near Rock City for rock climbing. Check with the ranger for regulations and the best approach.
  • Fossil Ridge
    Evidence of previous residents is embedded in these rocks. Please leave them for future visitors to see.
  • Deer Flat
    You are likely to see some of the mountain’s natural wildlife as you take this moderately strenuous 1.6-mile hike from Juniper Camp.
  • Mitchell Canyon Staging Area
    This is the main access point to trails on the mountain’s north side. From here you can hike to Deer Flat (3.7 miles) or all the way to the summit (6.8 miles) by way of Juniper Camp.
  • Diablo Valley Overlook
    From here near Juniper Campground, 3,200 feet above sea level, you can see the Golden Gate.

Mount Diablo Brochure