Haystack Hill–Bob Pond, 3 summits is a 1.5-mile out-and-back in Shell Ridge Open Space near Walnut Heights, CA. The route passes Bob Pond before reaching Haystack Hill at the turnaround, 0.7 miles in. It climbs 352 ft, with sections as steep as 19% grade, and is mostly dirt. It scores 68/100 on the Ambleway Wildness scale: backcountry feel.
Elevation
0 mi466 – 791 ft · steepest grade: 19%1.6 mi
Getting there
Trailhead: Hanna Grove Trail 37.89203, -122.00323
Nearest town Walnut Heights, CA
Directions
AMBLEWAYwww.ambleway.com
Haystack Hill–Bob Pond, 3 summits
1.5 mi · ▲ 352 ft · 41 min
Elevation 467–791 ft
Out & Back · Shell Ridge Open Space
Trailhead: Hanna Grove Trail · 37.89203, -122.00323
Weather Aug 3: Clear, high 100°F / low 68° · precip 0% · wind 9 mph · sunrise 6:14 AM · sunset 8:16 PM
Drinking water at the trailhead · Parking lot at the trailhead
- Start on Hanna Grove Trail, heading W.
- 50 ftPass Bob Pond.
- 50 ftTurn left onto Borges Ranch Trail, heading N.
- 50 ftSharp right onto Hanna Grove Trail, heading N.
- 450 ftBear left onto Costanoan Trail, heading W.
- 0.2 miSharp right onto Flat Top Trail, heading N.
- 0.2 miSharp right, heading NW.
- 0.1 miReach Haystack Hill, then turn around and head back the way you came.
- 0.3 miSharp right onto Hanna Grove Trail, heading E.
- 0.5 miSharp left onto Borges Ranch Trail, heading SE.
- 50 ftTurn right onto Hanna Grove Trail, heading S.
- 50 ftArrive 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 100°F68°
Feels like92°Precip0%Wind9 mphUV8Humidity15%
Hourly temperature
100°65°
Sunrise 6:14 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue
91°66°
Wed
98°58°
Thu
97°56°
Fri
103°61°
Sat
103°59°
Sun
102°58°
Sunset
The best sunset spot on this hike is 0.3 mi in (~12 min). Leave by 7:44 PM for the 8:16 PM sunset. Back at your car by 8:39 PM — 6 min before dark. Car visible from the viewpoint
Good to know
- Drinking water at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from Hanna Grove Trail Trailhead
- Sulphur Creek Pond–Bob Pond Loop, 4 sights 2.2 mi · ▲ 435 ft
- Diablo Foothills Regional Park Viewpoint–Buckeye Ravine Viewpoint, 5 sights 2.3 mi · ▲ 291 ft
- Bob Pond–Briones to Mt. Diablo Regional Trail Loop, 5 sights 2.4 mi · ▲ 489 ft
- Sulfur Spring–Bob Pond, 5 sights 2.5 mi · ▲ 438 ft
- Fossil Hill–Bob Pond, 7 sights 5.2 mi · ▲ 799 ft
- Buckeye Ravine Viewpoint–Bob Pond, 6 sights 5.7 mi · ▲ 1,085 ft
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