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 Aug 3: Clear, high 97°F / low 74° · precip 0% · wind 10 mph · sunrise 6:13 AM · sunset 8:16 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

ClearTemperature 97°F74°
Feels like86°Precip0%Wind10 mphUV8Humidity23%
Hourly temperature
100°70°
Sunrise 6:13 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 94°74°
Wed 94°58°
Thu 100°56°
Fri 103°62°
Sat 104°60°
Sun 103°58°

Sunset

The best sunset spot on this hike is right at the trailhead, so there is no walk out. Be there by 7:56 PM to have the sun's last 20 minutes of sky before it sets at 8:16 PM. Your car is right there — dark at 8:45 PM.

More sunset hikes nearby

Other ways to reach this destination

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