Green Ranch Road is a 2.9-mile out-and-back in Mount Diablo State Park near Rock City, CA. It climbs 848 ft, with sections as steep as 21% grade, and is mostly dirt. It scores 85/100 on the Ambleway Wildness scale: genuinely wild.
Elevation
0 mi2,165 – 2,887 ft · steepest grade: 21%3.0 mi
Getting there
Trailhead: Green Ranch Road 37.87158, -121.92474
Nearest town Rock City, CA
Directions
AMBLEWAYwww.ambleway.com
Green Ranch Road
2.9 mi · ▲ 848 ft · 1 hr 23 min
Elevation 2,165–2,888 ft
Out & Back · Mount Diablo State Park
Trailhead: Green Ranch Road · 37.87158, -121.92474
Weather Aug 3: Clear, high 92°F / low 74° · precip 0% · wind 7 mph · sunrise 6:13 AM · sunset 8:16 PM
Toilets at the trailhead
- Start on Summit Trail, heading E.
- 0.2 miContinue straight onto Green Ranch Road, heading NE.
- 1.3 miReach Green Ranch Road, then turn around and head back the way you came.
- 1.3 miContinue straight onto Summit Trail, heading SW.
- 0.1 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
100% dirt
Weather
ClearTemperature 92°F74°
Feels like79°Precip0%Wind7 mphUV8Humidity20%
Hourly temperature
95°70°
Sunrise 6:13 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue
85°70°
Wed
87°53°
Thu
95°51°
Fri
98°57°
Sat
99°55°
Sun
98°53°
Sunset
The best sunset spot on this hike is 0.1 mi in (~4 min). Leave by 7:51 PM for the 8:16 PM sunset. Back at your car by 8:33 PM — 12 min before dark. Trailhead visible from the viewpoint
Good to know
- Toilets at the trailhead
Other ways to reach this destination
More from Green Ranch Road Trailhead
- Oak Knoll Trail via Green Ranch Road 2.4 mi · ▲ 518 ft
Get outside more
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Hikes near Rock City, California