Mount Madonna County Park

Castro Valley Road & Whitehurst Road

12 mi · ▲ 1,863 ft · 4 hr 56 min

Castro Valley Road & Whitehurst Road is a 12-mile out-and-back in Mount Madonna County Park near Johnston Corner, CA. It climbs 1,863 ft, with sections as steep as 21% grade. It scores 74/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi436 – 1,526 ft · steepest grade: 21%12.1 mi

Getting there

Trailhead: Unnamed 36.98645, -121.66414
Nearest town Johnston Corner, CA

Directions

AMBLEWAYwww.ambleway.com

Castro Valley Road & Whitehurst Road

12 mi · ▲ 1,863 ft · 4 hr 56 min

Elevation 437–1,527 ft

Out & Back · Mount Madonna County Park

Trailhead: 36.98645, -121.66414

Weather Sep 20: Fog, high 70°F / low 51° · precip 1% · wind 6 mph · sunrise 6:54 AM · sunset 7:08 PM

  1. Start at the trailhead, heading W.
  2. 0.5 miSharp right, heading SW.
  3. 0.4 miContinue straight onto Whitehurst Road, heading SW.
  4. 0.3 miTurn left, heading SE.
  5. 0.4 miTurn right, heading SE.
  6. 0.2 miTurn left, heading E.
  7. 200 ftTurn left, heading NE.
  8. 150 ftBear right, heading E.
  9. 0.2 miBear right, heading SE.
  10. 0.1 miTurn right, heading SE.
  11. 2.2 miBear left onto Castro Valley Road, heading E.
  12. 1.7 miReach Whitehurst Road, then turn around and head back the way you came.
  13. 1.7 miBear right, heading W.
  14. 2.2 miTurn left, heading NW.
  15. 0.1 miBear left, heading NW.
  16. 0.2 miBear left, heading W.
  17. 150 ftTurn right, heading W.
  18. 200 ftTurn right, heading SW.
  19. 0.2 miTurn left, heading NW.
  20. 0.4 miTurn right onto Whitehurst Road, heading NW.
  21. 0.7 miSharp left, heading N.
  22. 0.4 miArrive back at the trailhead.

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

Trail surface

1% gravel99% unspecified

Weather

FogTemperature 70°F51°
Precip1%Wind6 mphUV6Humidity73%
Hourly temperature
70°50°
Sunrise 6:54 AM12 AM3 AM9 AM12 PM3 PM9 PMSunset 7:08 PM
Mon 62°51°
Tue 73°49°
Wed 85°48°
Thu 76°49°
Fri 78°50°
Sat 75°49°

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