AMBLEWAY Wildest hikes

Mount Tamalpais Watershed

Concrete Pipe Road–Eldridge Grade Fire Road, 6 sights

13 mi · ▲ 2,941 ft · 5 hr 48 min

Concrete Pipe Road–Eldridge Grade Fire Road, 6 sights is a 13-mile out-and-back in Mount Tamalpais Watershed near Mill Valley, CA. It climbs 2,941 ft, with sections as steep as 27% grade, and is mostly dirt. It scores 59/100 on the Ambleway Wildness scale: backcountry feel.

Elevation

0 mi197 – 1,641 ft · steepest grade: 27%13.6 mi

Getting there

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

AMBLEWAYwww.ambleway.com

Concrete Pipe Road–Eldridge Grade Fire Road, 6 sights

13 mi · ▲ 2,941 ft · 5 hr 48 min

Elevation 199–1,642 ft

Out & Back · Mount Tamalpais Watershed

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 W.
  2. 0.3 miBear right onto Hoo-Koo-E-Koo Fire Road, heading N.
  3. 0.3 miTurn right onto Wheeler Trail, heading NE.
  4. 0.5 miContinue straight onto Eldridge Grade Fire Road, heading NE.
  5. 0.6 miContinue straight onto Indan Fire Road, heading NE.
  6. 150 ftTurn left onto Eldridge Grade Fire Road, heading NE.
  7. 2.3 miTurn right onto Filter Plant Road, heading N.
  8. 150 ftContinue straight onto Eldridge Grade Fire Road, heading SW.
  9. 0.7 miContinue straight onto Shaver Grade Road, heading W.
  10. 0.4 miBear right onto Hidden Meadow Trail, heading NW.
  11. 150 ftContinue straight onto Shaver Grade Road, heading NW.
  12. 0.4 miBear right onto Concrete Pipe Road, heading NE.
  13. 150 ftContinue straight onto Shaver Grade Road, heading NW.
  14. 0.1 miTurn right, heading W.
  15. 450 ftBear left onto Bald Hill Trail, heading N.
  16. 0.3 miContinue straight onto Moore Trail, heading N.
  17. 0.4 miReach Wheeler Trail, then turn around and head back the way you came.
  18. 0.4 miContinue straight onto Bald Hill Trail, heading SW.
  19. 0.3 miBear right, heading SW.
  20. 450 ftTurn left onto Shaver Grade Road, heading SE.
  21. 0.1 miContinue straight onto Concrete Pipe Road, heading SE.
  22. 150 ftBear left onto Shaver Grade Road, heading SE.
  23. 0.4 miContinue straight onto Hidden Meadow Trail, heading SE.
  24. 150 ftBear left onto Shaver Grade Road, heading SW.
  25. 0.4 miContinue straight onto Eldridge Grade Fire Road, heading SE.
  26. 0.7 miContinue straight onto Filter Plant Road, heading W.
  27. 100 ftTurn left onto Eldridge Grade Fire Road, heading W.
  28. 2.4 miTurn right onto Indan Fire Road, heading S.
  29. 100 ftContinue straight onto Eldridge Grade Fire Road, heading S.
  30. 0.6 miContinue straight onto Wheeler Trail, heading NE.
  31. 0.5 miTurn left onto Hoo-Koo-E-Koo Fire Road, heading SW.
  32. 0.3 miBear left onto Tamelpa Trail, heading NE.
  33. 0.2 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/temelpa-viewpoint-out-back-26-km

Trail surface

74% dirt5% gravel21% 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°

Sunset

The best sunset spot on this hike is 2.3 mi in (~77 min). Leave by 6:41 PM for the 8:18 PM sunset. Back at your car by 9:41 PM, after dark — bring a headlamp.

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