Blithedale Summit Open Space Preserve

Camino Alto Fire Road–Corte Madera Ridge Fire Road, 5 sights

9.6 mi · ▲ 2,167 ft · 4 hr 17 min

Camino Alto Fire Road–Corte Madera Ridge Fire Road, 5 sights is a 9.6-mile out-and-back in Blithedale Summit Open Space Preserve near Mill Valley, CA. It climbs 2,167 ft, with sections as steep as 21% grade. It scores 31/100 on the Ambleway Wildness scale: green fringe.

Elevation

0 mi312 – 951 ft · steepest grade: 21%9.8 mi

Getting there

Trailhead: Tamelpa Trail 37.91994, -122.56388
Nearest town Mill Valley, CA

Directions

AMBLEWAYwww.ambleway.com

Camino Alto Fire Road–Corte Madera Ridge Fire Road, 5 sights

9.6 mi · ▲ 2,167 ft · 4 hr 17 min

Elevation 313–951 ft

Out & Back · Blithedale Summit Open Space Preserve

Trailhead: Tamelpa Trail · 37.91994, -122.56388

Weather Aug 3: Clear, high 95°F / low 64° · precip 0% · wind 5 mph · sunrise 6:16 AM · sunset 8:18 PM

  1. Start on Tamelpa Trail, heading N.
  2. 50 ftTurn right, heading NE.
  3. 1.3 miTurn left onto Horseshoe Fire Road, heading N.
  4. 0.2 miTurn right onto Blithedale Ridge Fire Road, heading SE.
  5. 0.7 miSharp left onto Corte Madera Ridge Fire Road, heading SE.
  6. 1 miContinue straight onto Middle Summit Fire Road, heading SE.
  7. 0.5 miTurn right onto Escalon Fire Road, heading SE.
  8. 0.5 miTurn left onto Camino Alto Fire Road, heading SW.
  9. 0.5 miReach Old Railroad Grade Fire Road, then turn around and head back the way you came.
  10. 0.5 miTurn right onto Escalon Fire Road, heading S.
  11. 0.5 miTurn left, heading N.
  12. 1.5 miSharp right onto Blithedale Ridge Fire Road, heading SW.
  13. 0.7 miTurn left onto Horseshoe Fire Road, heading NW.
  14. 0.2 miTurn right onto Old Railroad Grade Fire Road, heading NW.
  15. 1.3 miTurn left onto Tamelpa Trail, heading NE.
  16. 50 ftArrive 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% dirt25% gravel32% unspecified

Weather

ClearTemperature 95°F64°
Feels like82°Precip0%Wind5 mphUV8Humidity30%
Hourly temperature
95°60°
Sunrise 6:16 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:18 PM
Tue 87°69°
Wed 83°54°
Thu 70°52°
Fri 73°50°
Sat 73°50°
Sun 66°50°

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