Mount Diablo State Park

Cardinet Oaks Road & Olympia Trail

6.1 mi · ▲ 1,715 ft · 2 hr 53 min

Cardinet Oaks Road & Olympia Trail is a 6.1-mile out-and-back in Mount Diablo State Park near Marsh Creek Springs, CA. It climbs 1,715 ft, with sections as steep as 26% grade. It scores 43/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi1,020 – 2,005 ft · steepest grade: 26%6.1 mi

Getting there

Trailhead: Olympia Trail 37.90992, -121.88905
Nearest town Marsh Creek Springs, CA

Directions

AMBLEWAYwww.ambleway.com

Cardinet Oaks Road & Olympia Trail

6.1 mi · ▲ 1,715 ft · 2 hr 53 min

Elevation 1,019–2,005 ft

Out & Back · Mount Diablo State Park

Trailhead: Olympia Trail · 37.90992, -121.88905

Weather Aug 3: Clear, high 97°F / low 66° · precip 0% · wind 6 mph · sunrise 6:13 AM · sunset 8:16 PM

  1. Start at the trailhead, heading W.
  2. 50 ftContinue straight onto Olympia Trail, heading SW.
  3. 3 miReach Olympia Trail, then turn around and head back the way you came.
  4. 3 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°F66°
Feels like81°Precip0%Wind6 mphUV8Humidity30%
Hourly temperature
100°65°
Sunrise 6:13 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 90°63°
Wed 92°54°
Thu 101°57°
Fri 105°63°
Sat 105°61°
Sun 104°59°

Sunset

The best sunset spot on this hike is 1.2 mi in (~57 min). Leave by 6:59 PM for the 8:16 PM sunset. Back at your car by 8:59 PM, after dark — bring a headlamp.

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