10 miles
Distance
2,562 ft
Climb
-2,570 ft
Descent
2,665 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
  • 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
    1,040 ft
  • Altitude start
    1,316 ft
  • Altitude end
    1,307 ft
  • Grade
    -0.017%
  • Grade max
    -299.463%
  • Grade min
    144.673%
  • Distance climb
    5 miles
  • Distance down
    4 miles
  • Distance flat
    2,746 ft
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Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Ridden Direction
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
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
ContributeDetails
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.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      Trail transparency
      549 | 1 faves
      Rocky Peak Trail. Grudge and Undertow
      Rocky Peak Trail. Grudge and Undertow
      trail: The Grudge
      21:45 | 72 | comments: 0 | favs:
      Mar 8, 2020
      Combo of both trails in one video out in Simi Valley California
      The Grudge - Simi Valley, CA - 1/14/20
      The Grudge - Simi Valley, CA - 1/14/20
      trail: The Grudge
      6:35 | 154 | comments: 0 | favs:
      Jan 15, 2020
      Simi Valley
      Simi Valley
      3:39 | 94 | comments: 0 | favs:
      Oct 7, 2019
      —-

      Recent Trail Reports Along Route

      statustraildateconditiondescription
      Hummingbird
      May 15, 2020 @ 10:33pm
      May 15, 2020
      suuuuper dry, couple drops where the landing is just a few inches of moon dust
      Rocky Peak Trail
      May 9, 2020 @ 4:02pm
      May 9, 2020
      Open
      The Grudge
      May 9, 2020 @ 4:02pm
      May 9, 2020
      Undertow
      May 9, 2020 @ 4:01pm
      May 9, 2020
      A little dry/overgrown but not terrible, mainly just glad it’s open!
      Chumash Trail
      Apr 3, 2020 @ 9:34am
      Apr 3, 2020
      Trail is closed, so let's try and respect the organizations that allow us access in the first place.
      more reports »
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