This unique geological feature sets it apart from other parks. Visitors enjoy panoramic vistas, especially at sunset, and stargazing, thanks to minimal light pollution. The park is open year-round, with spring and fall offering the best conditions. Entry is free, and no permits are required. Popular activities include hiking the Pillar Loop Trail and nature photography. Wildlife sightings include mule deer and red-tailed hawks. Top attractions: the Six Pillars, Sunset Ridge Overlook, and Stargazer Point.
| Location | Reservations | Toilets |
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Camp Parks Military
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Alameda County Fairgrounds RV
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Mt. Diablo State Park
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Live Oak Campground
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Wildcat Group Camp
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BBQ Terrace Horse Camp
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