Mount Diablo State Park

Red Road

7.9 mi · ▲ 1,710 ft · 3 hr 29 min

Red Road is a 7.9-mile out-and-back in Mount Diablo State Park near Cowell, CA. It climbs 1,710 ft, with sections as steep as 32% grade. It scores 68/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi466 – 1,273 ft · steepest grade: 32%8.0 mi

Getting there

Trailhead: Unnamed 37.93116, -121.97372
Nearest town Cowell, CA

Directions

AMBLEWAYwww.ambleway.com

Red Road

7.9 mi · ▲ 1,710 ft · 3 hr 29 min

Elevation 466–1,273 ft

Out & Back · Mount Diablo State Park

Trailhead: 37.93116, -121.97372

Weather Aug 3: Clear, high 99°F / low 60° · precip 0% · wind 5 mph · sunrise 6:14 AM · sunset 8:16 PM

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

4% gravel96% unspecified

Weather

ClearTemperature 99°F60°
Feels like82°Precip0%Wind5 mphUV8Humidity29%
Hourly temperature
100°60°
Sunrise 6:14 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 90°65°
Wed 90°58°
Thu 98°56°
Fri 103°61°
Sat 103°59°
Sun 102°58°

Sunset

The best sunset spot on this hike is 1.1 mi in (~38 min). Leave by 7:18 PM for the 8:16 PM sunset. Back at your car by 8:59 PM, after dark — bring a headlamp.

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