4,931 ft
Distance
62 ft
Climb
-756 ft
Descent
00:11:45
Avg time

Birthday Trail Details

  • Riding Area
    Las Trampas Regional Park
    Alamo, California
  • Difficulty Rating
  • Voted Difficulty
    Black Diamond (1 vote)
  • Trail Type
    Singletrack
  • Bike Type
    AM
  • Trail Usage
    Biking Only
  • Direction
    Downhill Primary
    Popular direction shown
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • TTFs on Trail
    Rock Garden
  • Global Ranking

Bomber ridge line downhill with steep rocky sections and fun single track flow.

Local Trail Association
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More Stats for Birthday Trail bike trail
  • Altitude change
    -694 ft
  • Altitude min
    492 ft
  • Altitude max
    1,186 ft
  • Altitude start
    1,186 ft
  • Altitude end
    492 ft
  • Grade
    -14.071%
  • Grade max
    -45.132%
  • Grade min
    27.533%
  • Distance climb
    572 ft
  • Distance down
    4,292 ft
  • Distance flat
    67 ft
  • Avg time
    00:11:45
  • view trail stats
Status:
on Oct 11, 2018
Dry
Avg: 4 (1 votes)

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Layers winter
Trail Style
  • ?
Activity Type
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to birthday-trail-105465 trailhead (37.837912, -122.054104)
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Birthday Trail Trail Reports

Photos

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Routes with this trail

titleratingdistance
Las Trampas Loop #1
11 miles

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