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Trail Conditions
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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 Ridden
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
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- Description & Photos
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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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
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Activity Recordings
Trailforks uses anonymized public activity data.
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Activity Recordings
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Winter Trails
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A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
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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
![map legend]()
Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.
Slope Aspect
Direction the slope faces
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
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Activities Click to view
- Mountain Bike
152 trails
- E-Bike
116 trails
- Gravel Bike
0 trails
- Adaptive Bike
0 trails
- Winter Fat Bike
0 trails
- Horse
16 trails
- Hike
146 trails
- Trail Running
146 trails
- Dirtbike/Moto
17 trails
- ATV/ORV/OHV
16 trails
Region Details
- 24
- 36
- 69
- 18
- 1
Region Status
Caution as of 1 dayStats
- Avg Trail Rating
- Trails (view details)
- 148
- Trails Mountain Bike
- 153
- Trails E-Bike
- 116
- Trails Horse
- 16
- Trails Hike
- 146
- Trails Trail Running
- 146
- Trails Dirtbike/Moto
- 17
- Trails ATV/ORV/OHV
- 16
- Total Distance
- 128 miles
- Total Descent
- 37,544 ft
- Total Vertical
- 2,966 ft
- Highest Trailhead
- 3,654 ft
- Reports
- 2,626
- Photos
- 827
- Completed Counter
- 25,291
Sub Regions
-
Corriganville Park
- 2
- 6
- 2
-
Marr Ranch Open Space
- 3
- 17
-
Rocky Peak Park
- 1
- 8
- 11
-
Santa Susana Pass State Historic Park
- 3
- 12
- 2
- 1
-
Wood Ranch/Lang Ranch
- 22
- 20
- 3
Popular Simi Valley Mountain Biking Trails
• 80 ★ 4.1 • 2 miles • 161 ft • 750 •
Local classic downhill ride with huge rock slabs and fast speeds. Tons of optional lines with big rocks that you can air out on. Well ridden and can be washed out or brake bumpy in spots. You really have to ride this trail over and over...
• 100 ★ 4.6 • 2 miles • 240 ft • 745 •
One of the best all-mountain MTB trails in SoCal. Fast, flowy with everything thrown at you.
• 75 ★ 4.1 • 3 miles • 25 ft • 598 •
Highly rated popular blue difficulty singletrack. This mountain bike primary trail can be used both directions and has a hard overall physical rating with a 25 ft black diamond climb. On average it takes 22 minutes to complete this trail.
• 95 ★ 3.2 • 2,325 ft • 185 ft • 576 •
Popular green difficulty singletrack. This mountain bike primary trail can be used both directions and has a moderate overall physical rating with a 185 ft blue climb. On average it takes 8 minutes to complete this trail.
• 90 ★ 4.1 • 3,681 ft • 0 ft • 470 •
is a nice singletrack run that has some rocky features and also some sections you can go pretty fast on. For those considering riding up this trail instead of Santa Susana Pass Rd: This is a fast primarily downhill trail with multiple...
• 90 ★ 2.6 • 518 ft • 0 ft • 321 •
Popular black diamond difficulty singletrack. This mountain bike primary trail can be used downhill primary and has a hard overall physical rating with a 0 ft blue climb. It features drop, jump and rock garden. Trail visibility is always easy to follow. On average it takes 1 minutes to complete this trail.
Simi Valley Mountain Bike Routes
★ 4.0 • 9 miles • 1,628 ft • 3 •
If you need something a little less sketchy to try out first before you ride Hummingbird, ride Lower...
8 miles • 1,475 ft • 5 •
This is a shorter loop of some of the more popular trails in Marr Ranch Open Space, including and .
9 miles • 1,644 ft • 2 •
If you need something a little less sketchy to try out first before you ride Hummingbird, ride Lower...
9 miles • 1,882 ft • 8 • Loop •
A decent loop that will give you some good climbing if you are into that. There are some fun spots on this...
8 miles • 1,621 ft • 3 •
This is a quick out-and-back route up Chumash and back down, then with some extra mileage in at the end if...
17 miles • 3,553 ft • 9 • Out & Back •
Great out and back out of the runkle canyon parking lot in Simi Valley.
Photos of Simi Valley Mountain Bike
Videos of Simi Valley Mountain Bike
trail: Long Canyon Bypass
0:40 |
8 |
Mar 1, 2025
trail: Las Llajas Canyon Trail
5:42 |
31 |
Jul 8, 2024
trail: Woodridge Connector
2:54 |
21 |
May 11, 2024
trail: Woodridge loop
0:32 |
42 |
May 11, 2024
trail: Undertow
0:08 |
126 |
Jan 12, 2024
trail: Dirty Bull
0:17 |
115 |
Oct 22, 2023
trail: Shoulder
0:28 |
37 |
Aug 14, 2022
trail: Woodridge loop
2:48 |
84 |
Jun 19, 2022
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| China Flat Cutoff | Jul 22, 2026 @ 4:31pm (America/Los_Angeles) 1 day | Very Dry | VikingRider | ||
| Albertson Climb to Towers | Jul 22, 2026 @ 8:45am (America/Los_Angeles) 1 day | Very Dry | bernsense | ||
| Rocky Peak Trail | Jul 20, 2026 @ 6:20pm (America/Los_Angeles) Jul 20, 2026 | Dry | MHartong | ||
| Free Bird | Jul 17, 2026 @ 5:44pm (America/Los_Angeles) Jul 17, 2026 | Very Dry | MHartong | ||
| Long Canyon Trail | Jul 18, 2026 @ 5:10pm (America/Los_Angeles) Jul 18, 2026 | Dry | clarkperry | ||
| Oak Canyon Trail | Jul 18, 2026 @ 5:10pm (America/Los_Angeles) Jul 18, 2026 | Very Dry | clarkperry | ||
| Corriganville Entry | Jul 15, 2026 @ 6:20pm (America/Los_Angeles) Jul 15, 2026 | Very Dry | MHartong | ||
| Rocky Incline | Jul 12, 2026 @ 3:53pm (America/Los_Angeles) Jul 12, 2026 | Dry | MHartong | ||
| Woodridge loop | Jul 12, 2026 @ 3:53pm (America/Los_Angeles) Jul 12, 2026 | Dry | MHartong | ||
| Woodridge Connector | Jul 12, 2026 @ 3:53pm (America/Los_Angeles) Jul 12, 2026 | Ideal | MHartong |
Activity Feed
| username | action | type | title | date |
|---|---|---|---|---|
| VikingRider | add | report | activity #99790000 | Jul 22, 2026 @ 6:31pm 1 day |
| bernsense | add | report | activity #99767592 | Jul 22, 2026 @ 12:12pm 1 day |
| Kdub1172 | wishlist | trail | activity #99679388 | Jul 21, 2026 @ 7:56am 2 days |
| MHartong | add | report | activity #99676109 | Jul 21, 2026 @ 7:07am 2 days |
| MHartong | add | report | activity #99608771 | Jul 20, 2026 @ 8:06am Jul 20, 2026 |
Recent Comments
| username | type | title | comment | date |
|---|---|---|---|---|
| trail | Steep chutes! Cuts you back into Long Canyon... | Jun 24, 2026 @ 3:26pm Jun 24, 2026 | ||
| trail | Access to the Runkle Canyon road via Sequoia... | May 21, 2026 @ 4:09pm May 21, 2026 | ||
| report | More details would be helpful. This report is... | Apr 23, 2026 @ 9:46pm Apr 23, 2026 | ||
| trail | agreed on those who said this is really gnarly... | Apr 17, 2026 @ 12:44pm Apr 17, 2026 | ||
| trail | Super overgrown | Apr 5, 2026 @ 11:45am Apr 5, 2026 |
Local Badges
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10 Black Trails135 awarded -
Epic Ride 50k817 awarded -
Top 10 Trails0 awarded -
Completionist0 awarded -
Completionist0 awarded -
Completionist0 awarded
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | activity logs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 152 | 128 miles | 37,543 ft | 69 miles | 2,966 ft | #563 | #209 | 832 | 2,619 | 10 | 34,612 | |
| E-Bike | 116 | 67 miles | 20,545 ft | 38 miles | 2,966 ft | #914 | #780 | 6 | 2,370 | 1 | 9,499 | |
| Horse | 16 | 6 miles | 1,841 ft | 4 miles | 1,122 ft | #2,176 | #1,210 | 117 | 2 | |||
| Hike | 146 | 118 miles | 33,796 ft | 62 miles | 2,966 ft | #1,567 | #706 | 2,591 | 2,427 | |||
| Trail Running | 146 | 117 miles | 33,553 ft | 62 miles | 2,966 ft | #1,206 | #437 | 2,592 | 1,464 | |||
| Dirtbike/Moto | 17 | 6 miles | 1,841 ft | 4 miles | 1,122 ft | #934 | #342 | 120 | 26 | |||
| ATV/ORV/OHV | 16 | 6 miles | 1,841 ft | 4 miles | 1,122 ft | #666 | #267 | 117 | 4 |
Frequently Asked Questions About Simi Valley
▼
What are the best places to ride in Simi Valley?
Simi Valley has 5 areas to explore for mountain biking. The top rated areas are:
▼
What are the highest rated mountain biking trails in Simi Valley?
The highest rated mountain biking trails in Simi Valley are:
- Johnson's (4.5/5)
- Undertow (4.5/5)
- The Grudge (4.5/5)
- Resurrection (4.4/5)
- Stage Coach (4.4/5)
▼
What is the best time of the year to ride in Simi Valley?
Based on activity log data, the most popular months to ride in Simi Valley are:
- May (259 activities)
- August (253 activities)
- September (245 activities)
▼
Where can I park to ride in Simi Valley?
Activities
Trails
- By ericfoltz
TRAILFORKS & contributors - Admins: STA, mtbcommunity-com
- #12221 - 27,702 views
- simi valley activity log | embed map of Simi Valley mountain bike trails | simi valley mountain biking points of interest
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