Summit Trail is a 2-mile out-and-back in Mount Diablo State Park near Rock City, CA. It climbs 702 ft, with sections as steep as 20% grade, and is mostly dirt. It scores 70/100 on the Ambleway Wildness scale: backcountry feel.
Elevation
0 mi2,759 – 3,484 ft · steepest grade: 20%2.1 mi
Getting there
Trailhead: Summit Trail 37.87981, -121.91405
Nearest town Rock City, CA
Directions
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Summit Trail
2 mi · ▲ 702 ft · 1 hr 1 min
Elevation 2,758–3,484 ft
Out & Back · Mount Diablo State Park
Trailhead: Summit Trail · 37.87981, -121.91405
Weather Aug 3: Clear, high 89°F / low 72° · precip 0% · wind 7 mph · sunrise 6:13 AM · sunset 8:16 PM
Toilets at the trailhead · Drinking water at the trailhead
- Start on Summit Trail, heading S.
- 1 miReach Summit Trail, then turn around and head back the way you came.
- 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 89°F72°
Precip0%Wind7 mphUV8Humidity20%
Hourly temperature
90°70°
Sunrise 6:13 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue
82°68°
Wed
85°50°
Thu
92°48°
Fri
96°54°
Sat
96°52°
Sun
95°50°
Sunset
The best sunset spot on this hike is 0.9 mi in (~22 min). Leave by 7:34 PM for the 8:16 PM sunset. Back at your car by 9:11 PM, after dark — bring a headlamp.
Good to know
- Toilets at the trailhead
- Drinking water at the trailhead
Other ways to reach this destination
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