Mount Diablo State Park

Red Road

7.8 mi · ▲ 1,687 ft · 3 hr 27 min

Red Road is a 7.8-mile out-and-back in Mount Diablo State Park near Cowell, CA. It climbs 1,687 ft, with sections as steep as 31% grade. It scores 69/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi486 – 1,273 ft · steepest grade: 31%7.9 mi

Getting there

Trailhead: Unnamed 37.92727, -121.97232
Nearest town Cowell, CA

Directions

AMBLEWAYwww.ambleway.com

Red Road

7.8 mi · ▲ 1,687 ft · 3 hr 27 min

Elevation 487–1,273 ft

Out & Back · Mount Diablo State Park

Trailhead: 37.92727, -121.97232

Weather Sep 5: Clear, high 78°F / low 53° · precip 0% · wind 7 mph · sunrise 6:41 AM · sunset 7:35 PM

  1. Start at the trailhead, heading NW.
  2. 300 ftTurn left, heading W.
  3. 0.1 miSharp left, heading S.
  4. 0.7 miBear left, heading S.
  5. 0.3 miTurn left, heading NE.
  6. 0.2 miTurn right, heading NE.
  7. 0.3 miSharp right, heading E.
  8. 0.1 miTurn left, heading SE.
  9. 500 ftTurn right, heading E.
  10. 0.7 miContinue straight onto Red Road, heading E.
  11. 300 ftReach the turnaround, then head back the way you came.
  12. 2.2 miSharp right, heading NW.
  13. 2 miBear right, heading N.
  14. 0.9 miSharp right, heading N.
  15. 0.1 miTurn right, heading E.
  16. 250 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

3% gravel97% unspecified

Weather

ClearTemperature 78°F53°
Precip0%Wind7 mphUV7Humidity71%
Hourly temperature
80°50°
Sunrise 6:41 AM12 AM3 AM9 AM12 PM3 PMSunset 7:35 PM
Sun 73°53°
Mon 86°52°
Tue 91°59°
Wed 93°62° 15%
Thu 97°69°
Fri 83°59°

Sunset

The best sunset spot on this hike is 1.1 mi in (~37 min). Leave by 6:38 PM for the 7:35 PM sunset. Back at your car by 8:16 PM, after dark — bring a headlamp.

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