Mount Diablo State Park

Mount Olympia Road & Olympia Trail

4.7 mi · ▲ 1,484 ft · 2 hr 19 min

Mount Olympia Road & Olympia Trail is a 4.7-mile out-and-back in Mount Diablo State Park near Marsh Creek Springs, CA. It climbs 1,484 ft, with sections as steep as 30% grade. It scores 43/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi1,083 – 2,536 ft · steepest grade: 30%4.8 mi

Getting there

Trailhead: Unnamed 37.90674, -121.88866
Nearest town Marsh Creek Springs, CA

Directions

AMBLEWAYwww.ambleway.com

Mount Olympia Road & Olympia Trail

4.7 mi · ▲ 1,484 ft · 2 hr 19 min

Elevation 1,081–2,537 ft

Out & Back · Mount Diablo State Park

Trailhead: 37.90674, -121.88866

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 SW.
  2. 0.1 miTurn left, heading NW.
  3. 0.2 miContinue straight onto Olympia Trail, heading W.
  4. 1.1 miTurn left onto Mount Olympia Road, heading S.
  5. 1 miReach Mount Olympia Road, then turn around and head back the way you came.
  6. 1 miTurn right, heading N.
  7. 50 ftContinue straight onto Olympia Trail, heading NE.
  8. 1.1 miContinue straight onto Wise Road, heading E.
  9. 0.2 miTurn right, heading E.
  10. 0.1 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

43% dirt57% 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 1.1 mi in (~52 min). Leave by 7:04 PM for the 8:16 PM sunset. Back at your car by 8:57 PM, after dark — bring a headlamp.

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