Mount Diablo State Park

Red Road Loop

6.8 mi · ▲ 1,395 ft · 2 hr 58 min

Red Road Loop is a 6.8-mile loop in Mount Diablo State Park near Cowell, CA. It climbs 1,395 ft, with sections as steep as 19% grade. It scores 72/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi325 – 1,273 ft · steepest grade: 19%6.9 mi

Getting there

Trailhead: Unnamed 37.90191, -121.99331
Nearest town Cowell, CA

Directions

AMBLEWAYwww.ambleway.com

Red Road Loop

6.8 mi · ▲ 1,395 ft · 2 hr 58 min

Elevation 326–1,273 ft

Loop · Mount Diablo State Park

Trailhead: 37.90191, -121.99331

Weather Aug 3: Mostly clear, high 100°F / low 62° · precip 0% · wind 8 mph · sunrise 6:14 AM · sunset 8:16 PM

  1. Start at the trailhead, heading NE.
  2. 0.9 miSharp left, heading NW.
  3. 0.1 miTurn right, heading E.
  4. 0.6 miBear right, heading NE.
  5. 0.3 miSharp right, heading SE.
  6. 450 ftTurn right, heading SE.
  7. 0.7 miContinue straight onto Red Road, heading NE.
  8. 250 ftReach the turnaround, then head back the way you came.
  9. 2.2 miSharp right, heading NW.
  10. 0.6 miTurn left, heading N.
  11. 1.1 miSharp left, heading W.
  12. 0.2 miThe loop closes back at the trailhead.

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

Weather

Mostly clearTemperature 100°F62°
Feels like95°Precip0%Wind8 mphUV8Humidity16%
Hourly temperature
100°60°
Sunrise 6:14 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 91°62°
Wed 99°56°
Thu 98°56°
Fri 103°62°
Sat 103°60°
Sun 102°59°

Sunset

The best sunset spot on this hike is 1.0 mi in (~39 min). Leave by 7:17 PM for the 8:16 PM sunset. Back at your car by 8:57 PM, after dark — bring a headlamp.

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