Mount Diablo State Park

Cardinet Oaks Road & Mount Olympia Road

5.3 mi · ▲ 1,301 ft · 2 hr 25 min

Cardinet Oaks Road & Mount Olympia Road is a 5.3-mile out-and-back in Mount Diablo State Park near Clayton, CA. It climbs 1,301 ft, with sections as steep as 32% grade, and is mostly dirt. It scores 53/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi1,362 – 2,536 ft · steepest grade: 32%5.3 mi

Getting there

Trailhead: Cardinet Oaks Road 37.91059, -121.90254
Nearest town Clayton, CA

Directions

AMBLEWAYwww.ambleway.com

Cardinet Oaks Road & Mount Olympia Road

5.3 mi · ▲ 1,301 ft · 2 hr 25 min

Elevation 1,362–2,537 ft

Out & Back · Mount Diablo State Park

Trailhead: Cardinet Oaks Road · 37.91059, -121.90254

Weather Sep 20: sunrise 6:54 AM · sunset 7:09 PM

  1. Start on Cardinet Oaks Road, heading SW.
  2. 1.6 miSharp right onto Mount Olympia Road, heading S.
  3. 1 miReach Cardinet Oaks Road, then turn around and head back the way you came.
  4. 1 miSharp left onto Cardinet Oaks Road, heading SW.
  5. 1.6 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

70% dirt30% unspecified

Weather

Sunrise 6:54 AMSunset 7:09 PM

Sunset

The best sunset spot on this hike is 0.1 mi in (~2 min). Leave by 6:48 PM for the 7:09 PM sunset. Back at your car by 7:26 PM — 9 min before dark. Trailhead visible from the viewpoint

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