9.8 miles
Distance
1,902 ft
Climb
-1,891 ft
Descent
2,659 ft
High Point

MTB loop for Chumash UH to Rocky Peak DH to Undertow DH

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Trails in Route

Details

  • Riding area
    Simi Valley
  • Primary Activity
    Mountain Bike
  • Difficulty rating
    Black Diamond
  • Route Type
    Loop
  • Bike type
    DH, AM, XC
  • Physical rating
    Moderate
More Stats for Chumash-RockyPeak-Undertow mountain bike route
  • Altitude min
    1,039 ft
  • Altitude start
    1,322 ft
  • Altitude end
    1,332 ft
  • Grade max
    -94.6%
  • Grade min
    64.7%
  • Distance climb
    5 miles
  • Distance down
    4 miles
  • Distance flat
    2,572 ft
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  • Basemap 
  • Trail Style 
    • ?
  • Activity Type  
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Ridden Direction
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The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
Contribute Details
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
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  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
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Radar Time
Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
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Photos

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Videos

more videos »
youtuber It RAMPED UP 'til I CRACKED | Simi Valley, Los...
It RAMPED UP 'til I CRACKED | Simi Valley, Los Angeles
trail: The Grudge
16:48 | 902 | comments: 0 | favs:
Apr 18, 2019
Undertow - Rocky Peak Simi Valley Part 1
Undertow - Rocky Peak Simi Valley Part 1
trail: Undertow
13:23 | 15 | comments: 0 | favs:
Oct 14, 2021

Recent Trail Reports Along Route

statustraildateconditiondescription
Chumash Trail
Oct 2, 2021 @ 8:30am
Oct 2, 2021
The Grudge
Sep 7, 2021 @ 9:04am
Sep 7, 2021
Rocky Peak Trail
Sep 3, 2021 @ 5:34pm
Sep 3, 2021
Undertow
Sep 1, 2021 @ 9:58am
Sep 1, 2021
Hummingbird
Jun 27, 2021 @ 6:07am
Jun 27, 2021
Some ruts but still running good
more reports »
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