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Hike Details for Castle Rock Park

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Castle Rock Regional Recreation Area
Castle Rock Park

Castle Rock Park
Click the Staging Area/Trail Name above for park information.
City: Walnut Creek
Region: EastBay
Park: Castle Rock Regional Recreation Area

Sunday, May 05, 2013 @ 9:00 AM


Event Notes:

The second of three increasingly difficult hikes culminating in a hike to Mt. Diablo Summit. For experienced hikers only. A strenuous, nearly 12-mile out-and-back hike from Castle Rock Park to the junction of the Summit Trail and Green Ranch Road with about a 2400-foot elevation gain. Route is Stage and BBQ Terrace Roads to BQ Terrace, then Wildcat and Summit Trails to Green Ranch Road. A short rest/snack stop before the return. Water and restrooms at Castle Rock Park and BBQ Terrace. No dogs are allowed in Mt. Diablo State Park. Meet at the restrooms about ¼ mile in from the trailhead. Trailhead address is 1700 Castle Rock Road, Walnut Creek. Please arrive at least 15 minutes early in case you have to park in the Orchard Staging area lot and walk ¼ mile to the trailhead.

Contact: Howard   
Email: [email protected]
Cell Phone: (925) 548-8783


Trail Notes:

A series of hikes starting at Castle Rock Park going into Mt Diablo State Park


Trailhead Directions:
Click Here for a Map

From 24 Fwy take the I-680 N exit on the LEFT toward SACRAMENTO/CONCORD and then exit 15B for Ygnacio Valley Rd. Turn RIGHT onto Ygnacio Valley Rd and drive 2.2 miles. Turn RIGHT on Walnut Ave. Drive 1.6 miles to the roundabout. Follow AT ROUNDABOUT directions below. From 680 Fwy northbound take exit 46B for Ygnacio Valley Rd. Turn RIGHT onto Ygnacio Valley Rd and drive 2.2 miles. Turn RIGHT on Walnut Ave. Drive 1.6 miles to the roundabout. Follow AT ROUNDABOUT directions below. From 680 Fwy southbound take exit 47 for N Main St. Keep right at the fork, follow signs for North Main St S and merge onto N Main St. Turn left onto Ygnacio Valley Rd. After 2 miles turn RIGHT on Walnut Ave. Drive 1.6 miles to the roundabout. Follow AT ROUNDABOUT directions below. From Ygnacio Valley Rd westbound, turn LEFT onto Oak Grove Rd and drive for 1.1 miles to the roundabout. Follow AT ROUNDABOUT directions below. AT ROUNDABOUT: Take the exit onto Oak Grove Rd. Oak Grove Rd becomes Castle Rock Rd. Drive for 2.1 miles to the Park. Limited parking is available at the end of Castle Rock Rd, but there is additional parking at the Orchard Staging Area on the right before the end of the road. Address is 1700 Castle Rock Road, Walnut Creek.

Parking Fee: None
Other Fees: None

The trailhead information on this page was last updated
Thursday, November 30, 2017.

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