Mount Diablo State Park

Mount Olympia–Cardinet Oaks Road, 4 sights

6.1 mi · ▲ 2,131 ft · 3 hr 6 min

Mount Olympia–Cardinet Oaks Road, 4 sights is a 6.1-mile out-and-back in Mount Diablo State Park near Clayton, CA. The route reaches Mount Olympia at the turnaround, 3 miles in. It climbs 2,131 ft, with sections as steep as 39% grade. It scores 44/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi1,362 – 2,933 ft · steepest grade: 39%6.1 mi

Getting there

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

Directions

AMBLEWAYwww.ambleway.com

Mount Olympia–Cardinet Oaks Road, 4 sights

6.1 mi · ▲ 2,131 ft · 3 hr 6 min

Elevation 1,362–2,934 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 miContinue straight onto Olympia Trail, heading E.
  3. 0.5 miContinue straight onto East Trail, heading S.
  4. 0.9 miTurn left, heading N.
  5. 100 ftReach Mount Olympia, then turn around and head back the way you came.
  6. 0.9 miContinue straight onto Olympia Trail, heading NW.
  7. 2.1 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

28% dirt72% 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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Other ways to reach this destination

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