S Gate Rd
Danville, CA

Nestled within Mount Diablo State Park, Rock City is a unique park-within-a-park featuring massive rock formations, wind caves, and stunning views. This natural playground is home to safe, family-friendly hiking trails and shaded picnic areas.

S Gate Rd
Danville, CA

Located in the south side of Mount Diablo State Park, Rock City features a portion of the Trail through Time, a 6-mile educational trail featuring rocks that are 10-190 million years old.

S Gate Rd
Danville, CA

Rock City bears witness to the rich Native American history of the region. As you wander through this ancient landscape, keep an eye out for grinding stones, where ancient Native peoples processed acorns into an edible paste.

S Gate Rd
Danville, CA

Prepare to be captivated by the enchanting rock formations that define Rock City. Carved by the forces of nature over thousands of years, these magnificent structures offer a playground of exploration. The rocks, surprisingly soft to the touch, beckon you to crawl, climb, and uncover hidden nooks and crannies. Let your inner adventurer roam free as you delve into the labyrinthine paths and discover the secrets they hold.

S Gate Rd
Danville, CA

Rock City is not only a haven for natural wonders but also a perfect spot for a picnic. After a snack, consider trekking the Trail Through Time, a captivating geological journey that unveils the fascinating history of the area through interpretive signs and displays.

S Gate Rd
Danville, CA

Carved by the forces of nature over millennia, the massive rock formations that give this park it’s name double as a natural playground. The rocks, surprisingly soft to the touch, are a popular spot for visitors to crawl, climb, and uncover hidden nooks and crannies.

S Gate Rd
Danville, CA

From the elevated vantage points in Rock City, be prepared to feast your eyes on breathtaking vistas. Gaze out over the rolling hills, lush valleys, and distant peaks, all part of the magnificent scenery that stretches as far as the eye can see.