AMBLEWAY Wildest hikes

Cotoni-Coast Dairies Unit, California Coastal National Monument

Big Rock Road via Shale Quarry Back Road

5.6 mi · ▲ 1,018 ft · 2 hr 23 min

Big Rock Road via Shale Quarry Back Road is a 5.6-mile out-and-back in Cotoni-Coast Dairies Unit, California Coastal National Monument near Davenport, CA. It climbs 1,018 ft, with sections as steep as 23% grade. It scores 30/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi125 – 738 ft · steepest grade: 23%5.7 mi

Getting there

Trailhead: Unnamed 37.02258, -122.18561
Nearest town Davenport, CA
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Directions

AMBLEWAYwww.ambleway.com

Big Rock Road via Shale Quarry Back Road

5.6 mi · ▲ 1,018 ft · 2 hr 23 min

Elevation 123–737 ft

Out & Back · Cotoni-Coast Dairies Unit, California Coastal National Monument

Trailhead: 37.02258, -122.18561

Weather Aug 4: Fog, high 64°F / low 54° · precip 0% · wind 8 mph · sunrise 6:17 AM · sunset 8:14 PM

  1. Start at the trailhead, heading NE.
  2. 0.4 miTurn left onto Shale Quarry Back Road, heading NE.
  3. 0.6 miBear right, heading NE.
  4. 200 ftSharp right, heading S.
  5. 0.4 miSharp right, heading SW.
  6. 1.3 miReach Big Rock Road, then turn around and head back the way you came.
  7. 1.3 miSharp left, heading N.
  8. 1.1 miTurn right, heading NW.
  9. 0.4 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-road-out-back-9-km

Weather

FogTemperature 64°F54°
Precip0%Wind8 mphUV8Humidity98%
Hourly temperature
65°50°
Sunrise 6:17 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:14 PM
Wed 74°55°
Thu 84°56°
Fri 90°63°
Sat 86°61°
Sun 80°55°
Mon 77°52°

Sunset

The best sunset spot on this hike is 0.6 mi in (~33 min). Leave by 7:22 PM for the 8:14 PM sunset. Back at your car by 8:44 PM, after dark — bring a headlamp.

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