Outbound Collective logo

Hike the Trail Through Time in Mount Diablo State Park

Walnut Creek, California



6.25 miles

Elevation Gain

2 ft

Route Type



Added by Skyler Hardy

Mount Diablo State Park in California is awe inspiring in many different ways. From amazing Geological wonders to a astounding view from the top of Mount Diablo. Hike the Trail Through Time and see the amazing landscape that has been formed over millions of year..

The Trail Through Time in Mount Diablo State Park in California follows a landscape that has been formed over millions of years.  Start your hike in Rock City, here admire Sand Stone rockformations and wind caves.  It is possible to climb to the top of many of these rock formation and take in the view.  If reservations are available via Reserveamerica.com, camp in the Live Oak Campground right next to Rock City.  If here for a day make use of the picnic area in Rock City.  Unfortunately a lot of these rock formations have been vandalized with carvings and spray paint.  Although with effort and educating people it is possible to help prevent vandalism in the first place.  Continuing on the Trail Through Time you will come to one of my favorite features of this trek...Sentinel Rock.

Sentinel Rock is a amazing place to eat lunch, take in the view, and even the Sunset.  Making way down the trail again continue walking over land that was formed by the sea millions of years ago.  Campers in the Juniper Campground can catch the Trail Through Time right outside of site 17.  Site 17 is also my favorite site in the entire Juniper Campground and has the best view of the valley below!  If headed home though San Fransico make sure to grab some grub at the San Fransico Ferry Building, here their is a number of options for food.

Read More

Download the Outbound mobile app

Find adventures and camping on the go, share photos, use GPX tracks, and download maps for offline use.

Get the app


Easy Parking
Family Friendly
Picnic Area

Hike the Trail Through Time in Mount Diablo State Park Reviews

Have you done this adventure? Be the first to leave a review!

Leave No Trace

Always practice Leave No Trace ethics on your adventures and follow local regulations. Please explore responsibly!


Hike in Mount Diablo's Madrone Canyon

Summit Mount Diablo via Rock City Trail

Camp at Juniper Campground in Mount Diablo SP

Juniper to the Summit Loop Trail and Meridian Ridge

Run the Mt. Diablo Foothill Loop

Castle Rock Trail