City: Alamo Park: Diablo Foothills Regional ParkAlternate URL: Click Here
About a 6-mile, 1100-foot elevation gain, loop hike to Castle Rock Park. Route will be via the Alamo, Hanging Valley, Stonegate, Briones Mt. Diablo, Buckeye Ravine, Shell Ridge Loop and Stage Road trails to Castle Rock Park. After a short rest/snack stop, return via the Castle Rock, Shell Ridge Loop, Briones Mt. Diablo, south Twin Ponds Loop, Sugarloaf Shell Ridge, Franco Ranch, Hazard, and Foothills trails to the trailhead. No facilities at the trailhead, but full facilities at Castle Rock Park. Dogs welcome, off-leash OK on the trails. The Livorna trailhead is near Livorna Rd. & Stonegate Dr., Alamo, CA 94507.Contact: Howard
From southbound 680 Fwy, exit at Livorna Rd and go east (left) on Livorna Rd. From northbound 680 Fwy, exit at Livorna Rd and go east (right) on Livorna Rd. Once on Livorna, drive 1.6 miles to the trailhead parking lot on the left. There are only 7 parking spots at the trailhead, so carpool if you can.