AMBLEWAY Wildest hikes
Lake Lagunitas.jpg
AlexAH · CC BY 3.0
Mount Tamalpais Watershed

Lake Lagunitas–Blithedale Ridge Fire Road, 4 sights

9.2 mi · ▲ 3,452 ft · 4 hr 48 min

Lake Lagunitas–Blithedale Ridge Fire Road, 4 sights is a 9.2-mile out-and-back in Mount Tamalpais Watershed near Mill Valley, CA. The route passes Lake Lagunitas and Lake Lagunitas. It climbs 3,452 ft, with sections as steep as 37% grade. It scores 51/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi650 – 2,100 ft · steepest grade: 37%9.5 mi

Getting there

Trailhead: Blithedale Ridge Fire Road 37.91842, -122.54739
Nearest town Mill Valley, CA
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Directions

AMBLEWAYwww.ambleway.com

Lake Lagunitas–Blithedale Ridge Fire Road, 4 sights

9.2 mi · ▲ 3,452 ft · 4 hr 48 min

Elevation 651–2,100 ft

Out & Back · Mount Tamalpais Watershed

Trailhead: Blithedale Ridge Fire Road · 37.91842, -122.54739

Weather Aug 3: Clear, high 90°F / low 54° · precip 0% · wind 3 mph · sunrise 6:16 AM · sunset 8:18 PM

  1. Start on Blithedale Ridge Fire Road, heading N.
  2. 1.1 miTurn left onto Horseshoe Fire Road, heading N.
  3. 50 ftContinue straight onto Blithedale Ridge Fire Road, heading NW.
  4. 0.7 miSharp left onto Indan Fire Road, heading SW.
  5. 0.1 miContinue straight onto Indian Fire Trail, heading SW.
  6. 0.4 miBear right, heading SW.
  7. 150 ftBear right onto Eldridge Grade Fire Road, heading W.
  8. 0.3 miBear right onto East Peak Fire Trail, heading NW.
  9. 0.1 miContinue straight onto Northside Trail, heading N.
  10. 150 ftContinue straight onto East Peak Fire Trail, heading NW.
  11. 1.1 miTurn left onto Lakeview Fire Road, heading NW.
  12. 0.1 miPass Lake Lagunitas.
  13. 0.2 miPass Lake Lagunitas.
  14. 0.3 miTurn left, heading W.
  15. 0.2 miReach Lake Lagunitas, then turn around and head back the way you came.
  16. 0.8 miTurn right onto East Peak Fire Trail, heading E.
  17. 1.1 miContinue straight onto Northside Trail, heading SE.
  18. 150 ftContinue straight onto East Peak Fire Trail, heading S.
  19. 0.1 miBear left onto Eldridge Grade Fire Road, heading SE.
  20. 0.3 miBear left, heading SE.
  21. 150 ftBear left onto Indian Fire Trail, heading E.
  22. 0.4 miContinue straight onto Indan Fire Road, heading E.
  23. 0.1 miSharp right onto Blithedale Ridge Fire Road, heading NE.
  24. 0.7 miContinue straight onto Horseshoe Fire Road, heading SE.
  25. 50 ftTurn right onto Blithedale Ridge Fire Road, heading SE.
  26. 1.1 miArrive back at the trailhead.

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

Trail map, photos and weather for this hike: www.ambleway.com/hikes/lake-lagunitas-lake-lagunitas-out-back-14-km-3269

Trail surface

53% dirt47% unspecified

Weather

ClearTemperature 90°F54°
Precip0%Wind3 mphUV8Humidity51%
Hourly temperature
90°50°
Sunrise 6:16 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:18 PM
Tue 78°54°
Wed 76°53°
Thu 71°52°
Fri 74°51°
Sat 74°50°
Sun 67°51°

Sunset

The best sunset spot on this hike is 2.5 mi in (~107 min). Leave by 6:11 PM for the 8:18 PM sunset. Back at your car by 9:41 PM, after dark — bring a headlamp.

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