Mount Diablo State Park

Olofson Ridge Road via Red Road

7.7 mi · ▲ 1,758 ft · 3 hr 27 min

Olofson Ridge Road via Red Road is a 7.7-mile out-and-back in Mount Diablo State Park near Cowell, CA. It climbs 1,758 ft, with sections as steep as 20% grade. It scores 63/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi325 – 1,726 ft · steepest grade: 20%7.7 mi

Getting there

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

Directions

AMBLEWAYwww.ambleway.com

Olofson Ridge Road via Red Road

7.7 mi · ▲ 1,758 ft · 3 hr 27 min

Elevation 326–1,726 ft

Out & Back · Mount Diablo State Park

Trailhead: 37.90191, -121.99331

Weather Aug 3: Mostly clear, high 101°F / low 62° · precip 0% · wind 4 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 miSharp right onto Red Road, heading SW.
  8. 0.2 miSharp left onto Olofson Ridge Road, heading E.
  9. 0.9 miReach Olofson Ridge Road, then turn around and head back the way you came.
  10. 0.9 miSharp right onto Red Road, heading NE.
  11. 0.2 miSharp left, heading W.
  12. 0.7 miTurn left, heading W.
  13. 500 ftSharp left, heading SE.
  14. 0.3 miBear left, heading SW.
  15. 0.6 miTurn left, heading W.
  16. 0.1 miSharp right, heading SE.
  17. 0.9 miArrive 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 101°F62°
Precip0%Wind4 mphUV8Humidity32%
Hourly temperature
105°60°
Sunrise 6:14 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 91°63°
Wed 90°55°
Thu 98°56°
Fri 103°62°
Sat 103°60°
Sun 102°59°

Sunset

The best sunset spot on this hike is 1.3 mi in (~46 min). Leave by 7:10 PM for the 8:16 PM sunset. Back at your car by 9:04 PM, after dark — bring a headlamp. Trailhead visible from the viewpoint

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