Mt Diablo View - panoramio.jpg
Annette Teng · CC BY 3.0

Green Ranch Road is a 2.2-mile out-and-back in Mount Diablo State Park near Rock City, CA. It climbs 740 ft, with sections as steep as 20% grade, and is mostly dirt. It scores 74/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi2,582 – 3,370 ft · steepest grade: 20%2.2 mi

Getting there

Trailhead: Summit Trail 37.87890, -121.91778
Nearest town Rock City, CA

Directions

AMBLEWAYwww.ambleway.com

Green Ranch Road

2.2 mi · ▲ 740 ft · 1 hr 6 min

Elevation 2,582–3,371 ft

Out & Back · Mount Diablo State Park

Trailhead: Summit Trail · 37.87890, -121.91778

Weather Aug 3: Clear, high 88°F / low 71° · precip 0% · wind 7 mph · sunrise 6:13 AM · sunset 8:16 PM

Toilets at the trailhead · Drinking water at the trailhead

  1. Start on Summit Trail, heading S.
  2. 0.6 miTurn left, heading NE.
  3. 50 ftContinue straight onto Green Ranch Road, heading NE.
  4. 0.5 miReach the turnaround, then head back the way you came.
  5. 0.5 miTurn right onto Summit Trail, heading NW.
  6. 0.6 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 88°F71°
Precip0%Wind7 mphUV8Humidity20%
Hourly temperature
90°70°
Sunrise 6:13 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 82°67°
Wed 84°50°
Thu 91°47°
Fri 95°53°
Sat 95°51°
Sun 95°49°

Sunset

The best sunset spot on this hike is 0.6 mi in (~14 min). Leave by 7:42 PM for the 8:16 PM sunset. Back at your car by 8:58 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Toilets at the trailhead
  • Drinking water at the trailhead

Other ways to reach this destination

More from Summit Trail Trailhead