3,617 ft
150 ft
-170 ft
Avg time

The Appendix Details

  • Riding area
    Los Penasquitos Canyon
    San Diego, California
  • AKA
    Cobbles Appendix, Colostomy
  • Difficulty rating
  • Trail type
  • Bike type
    AM, XC, Fat
  • Trail Usage
    Biking Primary
  • Direction
    Both Directions
  • Global Ranking

Newly built by SDMBA and a good addition to the PQ area. Multiple fast sections with lots of small bumps to catch air off of. Fun in either direction.

Access Info

The north trailhead is accessed from Little McGonicle Ranch Road. The south/east trailhead is across Carmel Mountain Road from the Cobbles trail. There is a tunnel under the road for easy access.

Local Trail Association
More Stats for The Appendix mountain bike trail
  • Altitude change
    -20 ft
  • Altitude min
    289 ft
  • Altitude max
    402 ft
  • Altitude start
    401 ft
  • Altitude end
    381 ft
  • Grade
  • Grade max
  • Grade min
  • Distance climb
    1,759 ft
  • Distance down
    1,703 ft
  • Distance flat
    155 ft
  • Avg time
  • Avg reverse time
  • view trail stats
on Sep 6, 2017
Avg: 5 (1 votes)

view (319)
Layers winter
Trail Style
  • ?
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to the-appendix trailhead (32.939345, -117.182061)
update trails status or condition

The Appendix Trail Reports


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