5 miles
Distance
3,246 ft
Climb
-1,991 ft
Descent
4,423 ft
High Point

Idlehour Details

  • Riding area
    Angeles National Forest
    Altadena, California
  • Difficulty rating
  • Trail type
    Singletrack
  • Bike type
    AM, XC
  • Trail Usage
    Biking Primary
  • Direction
    Downhill Primary
  • Season
    All Year
  • TTFs on trail
    Rock Garden

The trailhead is located at the junction where Mt Lowe Road, Middle Sam Merrill Trail, and the trail to Inspiration Point meet. From this intersection, Idlehour Trail goes east and down. This is some nice singletrack and an alternative to the other trails around. There is a nice climb out from Idlehour Campground, and the trail can get thin and overgrown but it is rideable. Use the Mt. Wilson Toll Road, through Henninger Flats, to exit onto Pinecrest Drive in Altadena.
This trail can also be ridden in the opposite direction.
Trail is 4.5 miles

Access Info

There are trail markers posted at both ends of the trail

Local Trail Association
More Stats for Idlehour mountain bike trail
  • Altitude change
    1,256 ft
  • Altitude min
    2,612 ft
  • Altitude start
    3,167 ft
  • Altitude end
    4,423 ft
  • Grade
    4.659%
  • Grade max
    -103.927%
  • Grade min
    82.006%
  • Distance climb
    3 miles
  • Distance down
    2 miles
  • Distance flat
    667 ft
  • view trail stats
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Layers winter
Trail Style
  • ?
Trail Conditions
  • Unknown
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Dry
  • Very Dry
Directions to idlehour trailhead (34.199480, -118.079990)
update trails status or condition

Idlehour Trail Reports

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