Mount Diablo State Park

Utility Access Road

3.2 mi · ▲ 1,082 ft · 1 hr 36 min

Utility Access Road is a 3.2-mile out-and-back in Mount Diablo State Park near Marsh Creek Springs, CA. It climbs 1,082 ft, with sections as steep as 24% grade. It scores 41/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi663 – 1,332 ft · steepest grade: 24%3.3 mi

Getting there

Trailhead: Unnamed 37.88736, -121.87770
Nearest town Marsh Creek Springs, CA

Directions

AMBLEWAYwww.ambleway.com

Utility Access Road

3.2 mi · ▲ 1,082 ft · 1 hr 36 min

Elevation 662–1,332 ft

Out & Back · Mount Diablo State Park

Trailhead: 37.88736, -121.87770

Weather Aug 3: Clear, high 99°F / low 74° · precip 0% · wind 12 mph · sunrise 6:13 AM · sunset 8:16 PM

  1. Start at the trailhead, heading N.
  2. 0.7 miTurn left, heading W.
  3. 50 ftBear left, heading SW.
  4. 0.1 miTurn left onto Diablo Mines Trail, heading W.
  5. 0.2 miSharp left onto Utility Access Road, heading SW.
  6. 0.5 miTurn right, heading NE.
  7. 150 ftReach Utility Access Road, then turn around and head back the way you came.
  8. 0.6 miSharp right onto Diablo Mines Trail, heading SE.
  9. 0.2 miTurn right, heading S.
  10. 0.2 miBear right, heading E.
  11. 50 ftTurn right, heading SE.
  12. 0.6 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

35% dirt65% unspecified

Weather

ClearTemperature 99°F74°
Feels like83°Precip0%Wind12 mphUV8Humidity22%
Hourly temperature
100°70°
Sunrise 6:13 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 95°73°
Wed 95°59°
Thu 101°57°
Fri 104°62°
Sat 105°61°
Sun 104°59°

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