3 miles
442 ft
-957 ft
1,868 ft
High Point


  • Riding area
    Big Rock / Lucas Valley
    San Rafael, California
  • Difficulty rating
    Access Road/Trail
  • Trail type
  • Trail Usage
    Biking Primary
  • Direction
    Uphill Primary
  • Climb Difficulty

No description for Big Rock Ridge Fire Road trail has been added yet! Submit one here.

Local Trail Association
More Stats for Big Rock Ridge Fire Road mountain bike trail
  • Altitude change
    -514 ft
  • Altitude min
    1,253 ft
  • Altitude start
    1,772 ft
  • Altitude end
    1,258 ft
  • Grade max
  • Grade min
  • Distance climb
    1 miles
  • Distance down
    2 miles
  • Avg reverse time
  • view trail stats
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Directions to big-rock-ridge-fire-road trailhead (38.061620, -122.610090)
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Big Rock Ridge... Trail Reports

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Big Rock
0:09 | 7 | Sep 27, 2017 , San Rafael
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