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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Inadequate
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (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.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
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Radar Time
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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
- Snowmobile
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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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 riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
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Activities Click to view
- Mountain Bike
73 trails
- Hike
76 trails
- Trail Running
76 trails
Region Details
- 13
- 6
- 23
- 28
- 3
Region Status
Caution as of Nov 25, 2023
Stats
- Avg Trail Rating
- Trails (view details)
- 75
- Trails Mountain Bike
- 73
- Trails E-Bike
- 2
- Trails Horse
- 13
- Trails Hike
- 76
- Trails Trail Running
- 76
- Total Distance
- 179 miles
- Total Descent
- 56,659 ft
- Total Vertical
- 5,386 ft
- Highest Trailhead
- 6,421 ft
- Reports
- 821
- Photos
- 675
- Ridden Counter
- 11,016
Sub Regions
-
Brown Mountain
- 2
- 5
- 4
-
Chilao-Charlton
- 2
- 4
Popular Altadena Mountain Biking Trails
Altadena Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| El Prieto | 6 miles | |
| El Prieto Loop | 5 miles | |
| Ride up to Red Box and down to JPL | 32 miles | |
| Mt. Wilson Mega | 25 miles | |
| MIDDLE SAM MERRILL TO SUNSET RIDGE | 15 miles | |
| Strawberry Peak | 10 miles | |
| 17 mile Brown Mountain Ride | popular ridelog | 17 miles |
| 14 mile Brown Mountain Ride | popular ridelog | 14 miles |
| 13 mile Brown Mountain All-Mountain Ride | popular ridelog | 13 miles |
| 11 mile Brown Mountain Ride | popular ridelog | 11 miles |
Photos of Altadena Mountain Bike
trail: Lower Gabrielino Trail
10 |
Oct 11, 2023 @ 6:34pm
Oct 11, 2023
trail: Fern Truck Trail
13 | | 1 comments
Sep 16, 2023 @ 2:24pm
Sep 16, 2023
trail: Fern Truck Trail
11 | | 1 comments
Sep 16, 2023 @ 2:24pm
Sep 16, 2023
trail: Fern Truck Trail
9 |
Sep 16, 2023 @ 2:24pm
Sep 16, 2023
trail: Lower Gabrielino Trail
169 |
Mar 25, 2018 @ 2:24pm
Mar 25, 2018
trail: Lower Gabrielino Trail
477 |
Apr 18, 2016 @ 10:21am
Apr 18, 2016
trail: Ken Burton
415 |
Apr 18, 2016 @ 10:21am
Apr 18, 2016
trail: Ken Burton
390 |
Apr 18, 2016 @ 10:20am
Apr 18, 2016Videos of Altadena Mountain Bike
trail: El Prieto Trail
0:25 |
137 |
Jul 31, 2020
trail: El Prieto Trail
3:22 |
62 |
Sep 15, 2019
trail: El Prieto Trail
0:48 |
201 |
Jul 10, 2019
trail: El Prieto Trail
0:48 |
|
Jul 9, 2019
trail: Lower Sunset Ridge
4:04 |
110 |
Mar 28, 2019
trail: Millard Canyon Road
1:57 |
117 |
Mar 22, 2019
trail: Fern Truck Trail
2:18 |
312 |
Mar 16, 2019
trail: El Prieto Trail
0:55 |
144 |
Mar 16, 2019
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Ken Burton | Nov 25, 2023 @ 11:12am Nov 25, 2023 | Dry | eianprohl | ||
| El Prieto Trail | Nov 24, 2023 @ 7:04pm Nov 24, 2023 | Ideal | dantepetri1 | ||
| Lower Sunset Ridge | Nov 24, 2023 @ 7:03pm Nov 24, 2023 | Ideal | dantepetri1 | ||
| Brown Mountain Road | Nov 21, 2023 @ 1:50pm Nov 21, 2023 | Ideal | HDM94 | ||
| Fern Truck Trail | Nov 21, 2023 @ 1:50pm Nov 21, 2023 | Ideal | HDM94 | ||
| Pacifico Summit Spur Road | Oct 15, 2023 @ 2:31am Oct 15, 2023 | Variable | Gregsilli | ||
| Nature's Canteen | Oct 7, 2023 @ 4:10pm Oct 7, 2023 | Dry | Namlak | ||
| Lower Gabrielino Trail | Sep 21, 2023 @ 8:52pm Sep 21, 2023 | Variable | cranklin | ||
| Santa Clara Divide Road (Alder Saddle to Three Points) | Sep 18, 2023 @ 1:53am Sep 18, 2023 | Dry | Frankboboutside | ||
| El Prieto Road | Sep 17, 2023 @ 4:02pm Sep 17, 2023 | Dry | kb6ooc |
Activity Feed
| username | action | type | title | date |
|---|---|---|---|---|
| lolovelo | comment | trail | Nature's Canteen | Nov 26, 2023 @ 2:48pm 3 days |
| lolovelo | comment | route | Strawberry Peak | Nov 26, 2023 @ 2:46pm 3 days |
| eianprohl | add | report | Ken Burton | Nov 25, 2023 @ 11:12am Nov 25, 2023 |
| Hansk49O7X | comment | trail | Ken Burton | Nov 25, 2023 @ 6:48am Nov 25, 2023 |
| kusalzmann | wishlist | trail | Fern Truck Trail and 2 more | Nov 25, 2023 @ 6:18am Nov 25, 2023 |
Recent Comments
| username | type | title | comment | date |
|---|---|---|---|---|
| trail | Overgrown | Nov 26, 2023 @ 2:48pm 3 days | ||
| trail | The MWBA had a big workday recently as well as... | Nov 25, 2023 @ 6:48am Nov 25, 2023 | ||
| report | Damn spell check. "All flowy and nice"... | Nov 19, 2023 @ 5:22pm Nov 19, 2023 | ||
| trail | Really fun trail! My first time riding it and... | Nov 9, 2023 @ 7:26pm Nov 9, 2023 | ||
| trail | Pretty steady, smooth, but grueling climb up.... | Nov 9, 2023 @ 7:22pm Nov 9, 2023 |
Local Badges
-
Epic Ride Climb 2k274 awarded -
10 Black Trails232 awarded -
Big Ride 30k1,925 awarded -
Epic Ride Descent 2k386 awarded -
Climbing 10k Badge190 awarded -
Descent 10k Badge215 awarded
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 73 | 162 miles | 53,041 ft | 72 miles | 5,387 ft | #828 | #456 | 676 | 821 | 23 | 21,345 | |
| E-Bike | 2 | 3 miles | 36 ft | 1,818 ft | 846 ft | 2 | 569 | 1,303 | ||||
| Horse | 13 | 55 miles | 12,831 ft | 25 miles | 5,121 ft | 251 | 2 | |||||
| Hike | 76 | 179 miles | 56,660 ft | 81 miles | 5,387 ft | #633 | #396 | 1 | 820 | 1 | 1,104 | |
| Trail Running | 76 | 179 miles | 56,660 ft | 81 miles | 5,387 ft | #638 | #397 | 820 | 1 | 208 |
- By BlazeNawaY & contributors
- Admins: CORBA, MWBA, LRCC
- #9518 - 8,137 views
- altadena activity log | embed map of Altadena mountain bike trails | altadena mountain biking points of interest
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