AMBLEWAY Wildest hikes

Big Rock Trail via Big Rock Ridge Fire Road

4.2 mi · ▲ 875 ft · 1 hr 50 min

Big Rock Trail via Big Rock Ridge Fire Road is a 4.2-mile out-and-back near Woodacre, CA. It climbs 875 ft, with sections as steep as 18% grade. It scores 81/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi676 – 1,542 ft · steepest grade: 18%4.2 mi

Getting there

Trailhead: Big Rock Ridge Fire Road 38.05377, -122.62758
Nearest town Woodacre, CA
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Directions

AMBLEWAYwww.ambleway.com

Big Rock Trail via Big Rock Ridge Fire Road

4.2 mi · ▲ 875 ft · 1 hr 50 min

Elevation 676–1,540 ft

Out & Back

Trailhead: Big Rock Ridge Fire Road · 38.05377, -122.62758

Weather Aug 4: Clear, high 85°F / low 59° · precip 0% · wind 5 mph · sunrise 6:17 AM · sunset 8:18 PM

Parking lot at the trailhead

  1. Start on Big Rock Ridge Fire Road, heading W.
  2. 2 miContinue straight onto Big Rock Trail, heading E.
  3. 50 ftContinue straight onto Big Rock Ridge Fire Road, heading SE.
  4. 0.1 miReach Big Rock Trail, then turn around and head back the way you came.
  5. 0.1 miContinue straight onto Big Rock Trail, heading W.
  6. 50 ftContinue straight onto Big Rock Ridge Fire Road, heading W.
  7. 1.9 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail map, photos and weather for this hike: www.ambleway.com/hikes/big-rock-ridge-out-back-10-km

Trail surface

1% dirt99% unspecified

Weather

ClearTemperature 85°F59°
Precip0%Wind5 mphUV8Humidity51%
Hourly temperature
85°55°
Sunrise 6:17 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:18 PM
Wed 79°53°
Thu 94°53°
Fri 98°55°
Sat 98°52°
Sun 94°52°
Mon 87°50°

Sunset

The best sunset spot on this hike is 1.2 mi in (~48 min). Leave by 7:10 PM for the 8:18 PM sunset. Back at your car by 9:02 PM, after dark — bring a headlamp.

More sunset hikes nearby

Good to know

  • Parking lot at the trailhead

Other ways to reach this destination

Hikes near Woodacre, California