Holey Rock–Deer Trail, 4 sights
4.9 mi · ▲ 1,427 ft · 2 hr 21 min
Holey Rock–Deer Trail, 4 sights is a 4.9-mile out-and-back in Mount Diablo State Park near Rock City, CA. The route reaches Holey Rock at the turnaround, 2.4 miles in. It climbs 1,427 ft, with sections as steep as 28% grade, and is mostly dirt. It scores 74/100 on the Ambleway Wildness scale: backcountry feel.
Elevation
Getting there
Directions
Holey Rock–Deer Trail, 4 sights
4.9 mi · ▲ 1,427 ft · 2 hr 21 min
Elevation 1,135–1,937 ft
Out & Back · Mount Diablo State Park
Trailhead: Summit Trail · 37.85842, -121.93558
Weather Aug 3: Clear, high 95°F / low 67° · precip 0% · wind 6 mph · sunrise 6:14 AM · sunset 8:16 PM
- Start on Summit Trail, heading SW.
- 0.3 miBear right onto Staircase Trail, heading S.
- 0.2 miTurn right onto Wall Point Road, heading NW.
- 250 ftTurn left onto Summit Trail, heading W.
- 0.4 miSharp right onto Deer Trail, heading S.
- 0.9 miSharp left onto West Fossil Ridge Road, heading SE.
- 0.5 miReach Holey Rock, then turn around and head back the way you came.
- 0.5 miSharp right onto Deer Trail, heading S.
- 0.9 miSharp left onto Rock City Camp Road, heading SE.
- 0.4 miTurn right onto Wall Point Road, heading E.
- 250 ftTurn left onto Staircase Trail, heading S.
- 0.2 miBear left onto Summit Trail, heading N.
- 0.3 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
Weather
Sunset
The best sunset spot on this hike is right at the trailhead, so there is no walk out. Be there by 7:55 PM to have the sun's last 20 minutes of sky before it sets at 8:16 PM. Your car is right there — dark at 8:45 PM.
Other ways to reach this destination
More from Summit Trail Trailhead
- Curry Point & Summit Trail via Wall Point Road 2.1 mi · ▲ 498 ft
- Ridge View Trail & Summit Trail via Wall Point Road 4.7 mi · ▲ 1,187 ft
- Twin Ponds–TwinPonds, 6 sights 10.6 mi · ▲ 2,170 ft
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