AMBLEWAY Wildest hikes

Mount Diablo State Park

Borges Ranch Trail–Briones to Mt. Diablo Regional Trail, 3 sights

13.4 mi · ▲ 2,463 ft · 5 hr 42 min

Borges Ranch Trail–Briones to Mt. Diablo Regional Trail, 3 sights is a 13.4-mile out-and-back in Mount Diablo State Park near Rock City, CA. It climbs 2,463 ft, with sections as steep as 17% grade, and is mostly dirt. It scores 75/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi433 – 1,785 ft · steepest grade: 17%13.9 mi

Getting there

Trailhead: Wall Point Road 37.85252, -121.92818
Nearest town Rock City, CA
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Directions

AMBLEWAYwww.ambleway.com

Borges Ranch Trail–Briones to Mt. Diablo Regional Trail, 3 sights

13.4 mi · ▲ 2,463 ft · 5 hr 42 min

Elevation 434–1,787 ft

Out & Back · Mount Diablo State Park

Trailhead: Wall Point Road · 37.85252, -121.92818

Weather Aug 3: Clear, high 97°F / low 63° · precip 0% · wind 8 mph · sunrise 6:13 AM · sunset 8:16 PM

  1. Start on Wall Point Road, heading SW.
  2. 1.5 miTurn left onto Secret Trail, heading W.
  3. 50 ftTurn right onto Wall Point Road, heading W.
  4. 2.2 miContinue straight onto Briones to Mt. Diablo Regional Trail, heading NW.
  5. 0.3 miBear left, heading NW.
  6. 1.4 miBear left, heading NW.
  7. 0.1 miBear right, heading NW.
  8. 100 ftContinue straight onto Borges Ranch Trail, heading W.
  9. 500 ftBear left, heading NW.
  10. 250 ftContinue straight onto Foothills Trail, heading NW.
  11. 0.2 miTurn right onto Sugarloaf-Shell Ridge Trail, heading SW.
  12. 0.2 miTurn left, heading W.
  13. 0.4 miContinue straight onto Franco Ridge Loop Trail, heading W.
  14. 0.1 miReach Briones to Mt. Diablo Regional Trail, then turn around and head back the way you came.
  15. 0.5 miTurn right onto Sugarloaf-Shell Ridge Trail, heading NE.
  16. 0.2 miTurn left onto Foothills Trail, heading NE.
  17. 0.2 miContinue straight onto Borges Ranch Trail, heading NE.
  18. 0.3 miBear right onto Briones to Mt. Diablo Regional Trail, heading SE.
  19. 0.8 miBear right, heading S.
  20. 0.9 miContinue straight onto Wall Point Road, heading E.
  21. 2.2 miTurn left onto Secret Trail, heading SE.
  22. 50 ftTurn right onto Wall Point Road, heading SE.
  23. 1.4 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail map, photos and weather for this hike: www.ambleway.com/hikes/bullfrog-pond-bullfrog-pond-out-back-4-lakes-21-km-2cca

Trail surface

90% dirt10% unspecified

Weather

ClearTemperature 97°F63°
Feels like84°Precip0%Wind8 mphUV8Humidity18%
Hourly temperature
100°60°
Sunrise 6:13 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:16 PM
Tue 87°65°
Wed 90°56°
Thu 98°54°
Fri 102°60°
Sat 102°58°
Sun 102°56°

Sunset

The best sunset spot on this hike is 0.4 mi in (~12 min). Leave by 7:44 PM for the 8:16 PM sunset. Back at your car by 8:45 PM — 0 min before dark.

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