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489 ft
Distance
-42 ft
Descent
00:00:59
Avg time
-42 ft
Altitude change
1,915 ft
Altitude min
1,958 ft
Altitude max
1,958 ft
Altitude start
1,916 ft
Altitude end
-8.6%
Grade
-13.1%
Grade max
-4%
Grade min
489 ft
Distance down
00:00:59
Avg time
Marr Head Start Details
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Activities
- Mountain Bike
- E-Bike
- Winter Fat Bike
- Hike
- Trail Running
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Riding AreaMarr Ranch Open Space
Simi Valley, California -
Difficulty Rating
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Local Popularity65 in Mountain Biking [+]
- 75 in E-Biking
- 5 in Trail Running
- 75 in Hiking
- 5 in Winter Fat Biking
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Trail TypeSingletrack
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Bike TypeAM, XC, Fat, CX
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DirectionBoth DirectionsPopular In Reverse
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Climb DifficultyBlue
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Physical RatingModerate
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Trail VisibilityAlways easy to follow
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Dogs AllowedYes
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eBike Allowed
No community description for Marr Head Start trail has been added yet!
AI Generated Description
Marr Head Start is a 489 ft moderately popular blue difficulty connector singletrack trail located near Simi Valley California. This multi-use trail can be used both directions and has a moderate overall physical rating with a 0 ft blue climb. Trail visibility is always easy to follow. On average it takes minutes to complete this trail.
Local Trail Association
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 5 rides
- 10 miles avg distance
All
- 73 rides
- Last: Oct 15, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Marr Head Start Trail Reports
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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Partial
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users activity logs 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 users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs 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 activity logs 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 activities = more kinetic energy = warmer colors.
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- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
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Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Slope Aspect
Direction the slope faces
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Directions to marr-head-start trailhead
(34.316960, -118.677350)
Photos
No photos have been added for Marr Head Start yet, add a photo.
Videos
1 more »
mtb
0:18 |
4 |
May 29, 2020 , Simi Valley
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Nearby Trails
- The Devil's Spur 2 miles
- Arroyo Simi Bikeway 3 miles
- Push To Top 4 miles
- Swoosh 4 miles
- Road To Devil 4 miles
Marr Ranch Open Space
- By mtbcommunity-com
& contributors - #292978 - 454 views
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