
Diablo Foothills Regional Park
Walnut Creek, Contra Costa County, CA

- Size
- 950 acres Source
- Managed by
- East Bay Regional Park District
About Diablo Foothills Regional Park
Rock formations and Bay Area views at the gateway to Mount Diablo State Park. Source
Diablo Foothills is an imposing gateway to the beautiful parklands of Mt Diablo State Park and Walnut Creek Open Space. The Foothills 1,060 acres are valued for their striking geologic formations, their sweeping panoramas of the San Francisco Bay Region and the rural quality of the adjacent rolling grasslands.
Know before you go
Diablo Foothills Regional Park covers 950 acres in Walnut Creek, Contra Costa County. 12 named trails add up to about 6.4 miles inside the park; the longest is Briones to Mt. Diablo Regional Trail at 1.3 miles, and Briones to Mt. Diablo Regional Trail has the most up and down (about 444 feet). Mapped trails range from 284 to 869 feet in elevation. OpenStreetMap shows 3 parking areas, including Livorna Staging Area and Orchard Staging Area, plus 5 restrooms and 1 drinking fountain.
Facilities
- Drinking Water
- Historic Site
- Picnic Area
- Restrooms
- Volleyball
Facility details: OpenStreetMap
Diablo Foothills Regional Park at a glance
- PParking · 3: Livorna Staging Area, Orchard Staging Area
- WCRestrooms · 5
- WDrinking water · 1
- Named trails · 12
© OpenStreetMap · CPAD · About this map
Trails
| Trail | Mapped length | Elevation | Surface & uses |
|---|---|---|---|
| Briones to Mt. Diablo Regional Trail | 1.3 mi | 444 ft up & down658–869 ft | UnpavedBikesHorses |
| Foothills Trail | 0.8 mi | 343 ft up & down532–675 ft | UnpavedBikesHorses |
| Shell Ridge Trail | 0.6 mi | 309 ft up & down538–857 ft | |
| Buckeye Ravine Trail | 0.6 mi | 433 ft up & down447–752 ft | Unpaved |
| North Gate Trail | 0.6 mi | 98 ft up & down284–375 ft | Unpaved |
| Fairy Lantern Trail | 0.5 mi | 217 ft up & down438–668 ft | BikesNo horsesNo bikes |
| Stage Road | 0.5 mi | 74 ft up & down376–476 ft | UnpavedBikesHorses |
| Shell Ridge Loop Trail | 0.4 mi | 202 ft up & down584–815 ft | |
| Borges Ranch Trail | 0.3 mi | 98 ft up & down609–704 ft | Unpaved |
| Sugarloaf-Shell Ridge Trail | 0.3 mi | 181 ft up & down435–592 ft | UnpavedBikesHorses |
| Stonegate Trail | 0.3 mi | 93 ft up & down642–744 ft | Unpaved |
| Shell Ridge Loop connector trail | 0.2 mi | 49 ft up & down693–745 ft | Unpaved |
Compared with nearby parks
Among the 6 other parks in this guide within 10 miles, Diablo Foothills Regional Park is number 5 of 7 by size at 950 acres. 4 nearby parks have more mapped trail mileage than its 6.4 miles.
Closest places for what Diablo Foothills Regional Park doesn't list:
- Camping: Las Trampas Wilderness Regional Preserve (5.4 mi)
Rules & reservations
Official park page- Dogs
At Diablo Foothills Regional Park: leash in developed areas, under the East Bay Regional Park District dog rules. Source
- Castle Rock Pool
The pool complex will reopen for the swim season in 2027. Source
Parking lot opens 7:30 a.m. and closes 7–9 p.m. by season.
Map & directions
1700 Castle Rock Road, Walnut Creek, CA 94598
Nearby parks
Straight-line distanceContinue exploring
Contra Costa County parksSources & verification
Last verified: Oct 15, 2026- California Protected Areas Database (CPAD) 2026aname, county, agency, access, acres
- East Bay Regional Park District dog rulesdogs
- East Bay Regional Park District park pageofficial_url, hours, address, description, fees
- OpenStreetMap facilities and trailsfacilities.drinking-water, facilities.historic-site, facilities.picnic-area, facilities.restrooms, facilities.volleyball, trails
- U.S. Census Bureau place boundaries (nearest place)city
- OpenStreetMap: parking, restrooms, water, trailheads, trail lines, and bus stopsvisit
- Terrain Tiles elevation (USGS 3DEP), sampled every 20 m along OpenStreetMap trail linestrails.elevation
- Official park page (introduction excerpt)intro
