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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
inches
Radar Time
x
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.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
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Activities Click to view
- Mountain Bike
62 trails
- Hike
64 trails
- Trail Running
64 trails
Region Details
- 13
- 4
- 14
- 28
- 3
Region Status
Caution as of 1 day
Stats
- Avg Trail Rating
- Trails (view details)
- 64
- Trails Mountain Bike
- 62
- Trails E-Bike
- 1
- Trails Hike
- 64
- Trails Trail Running
- 64
- Trails Horse
- 12
- Total Distance
- 179 miles
- Total Descent
- 56,670 ft
- Total Vertical
- 5,386 ft
- Highest Trailhead
- 6,421 ft
- Reports
- 689
- Photos
- 629
- Ridden Counter
- 9,656
Sub Regions
-
Angeles National Forest
- 1
- 6
- 12
- 2
-
Brown Mountain
- 2
- 4
- 4
Popular Altadena Mountain Biking Trails
Altadena Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| El Prieto | 6 miles | |
| Mt Lowe, Sam Merril, sunset, EP | 13 miles | |
| El Prieto Loop | 5 miles | |
| Mt. Wilson Mega | 25 miles | |
| Ride up to Red Box and down to JPL | 32 miles | |
| Mt. Wilson shuttle | 14 miles | |
| Mt Wilson Shuttle - Sam Merrill Down | 10 miles | |
| Red Box to JPL | 15 miles | |
| Mt Hillyer | 3 miles | |
| Mt Wilson Trail | 7 miles |
Photos of Altadena Mountain Bike
trail: Valley Forge Trail
24 |
Apr 10, 2022 @ 11:21pm
Apr 10, 2022
trail: El Prieto Trail
41 |
Apr 9, 2022 @ 11:51pm
Apr 9, 2022
trail: Bear Canyon Trail
32 |
Feb 18, 2022 @ 3:42am
Feb 18, 2022
trail: Condor Peak Trail
57 |
Feb 7, 2022 @ 12:52pm
Feb 7, 2022
trail: Condor Peak Trail
76 |
Jan 22, 2022 @ 11:29pm
Jan 22, 2022
trail: Ken Burton
366 |
Apr 18, 2016 @ 10:21am
Apr 18, 2016
trail: Ken Burton
326 |
Apr 18, 2016 @ 10:20am
Apr 18, 2016Videos of Altadena Mountain Bike
trail: Sunset Ridge
87 |
Feb 20, 2022
trail: Sunset Ridge
|
Feb 20, 2022
trail: Sunset Ridge
|
Feb 20, 2022
trail: Sunset Ridge
|
Feb 20, 2022
trail: Gabrielino Trail (NRT)
95 |
Nov 19, 2020
trail: El Prieto Trail
0:25 |
114 |
Jul 31, 2020
trail: Sunset Ridge
0:32 |
180 |
Feb 5, 2020
0:08 |
210 |
Dec 16, 2019
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Mt Lukens Road (3N27) | Jul 1, 2022 @ 6:48am 1 day | Very Dry | OldPinkEyes | ||
| Josephine Peak Road | Jun 25, 2022 @ 10:53am Jun 25, 2022 | Very Dry | clarkperry | ||
| Strawberry Spur | Jun 25, 2022 @ 10:53am Jun 25, 2022 | Very Dry | clarkperry | ||
| Strawberry Peak | Jun 25, 2022 @ 10:53am Jun 25, 2022 | Dry | clarkperry | ||
| Strawberry Peak | Jun 25, 2022 @ 10:53am Jun 25, 2022 | Dry | clarkperry | ||
| Barley Flats Truck Trail | Jun 25, 2022 @ 10:53am Jun 25, 2022 | Very Dry | clarkperry | ||
| Gabrielino Trail (NRT) | Jun 25, 2022 @ 10:53am Jun 25, 2022 | Dry | clarkperry | ||
| Fern Truck Trail | Jun 25, 2022 @ 7:36am Jun 25, 2022 | Dry | MtnMammoth | ||
| El Prieto Trail | Jun 25, 2022 @ 7:36am Jun 25, 2022 | Ideal | MtnMammoth | ||
| Mt Wilson Trail (Skyline) | Jun 25, 2022 @ 5:48am Jun 25, 2022 | Dry | BluebellyCanyon |
Activity Feed
| username | action | type | title | date | |
|---|---|---|---|---|---|
 | OldPinkEyes | add | report | Mt Lukens Road (3N27) | Jul 1, 2022 @ 10:41am 1 day |
| Jskier99 | wishlist | trail | El Prieto Trail | Jun 29, 2022 @ 12:38pm 3 days |
| cckaschalk | wishlist | trail | Gabrielino Trail (NRT) | Jun 29, 2022 @ 8:01am Jun 29, 2022 |
 | thomasjkenney1024 | comment | trail | Mt. Wilson Toll Road | Jun 28, 2022 @ 5:44pm Jun 28, 2022 |
| RD4l53 | wishlist | route | Mt. Wilson Mega | Jun 28, 2022 @ 4:48am Jun 28, 2022 |
Recent Comments
| username | type | title | comment | date | |
|---|---|---|---|---|---|
| trail | It is a road. They grade it about once a... | Jun 28, 2022 @ 5:44pm Jun 28, 2022 | ||
| trail | Not sure why this is listed as purple, it’s... | Jun 27, 2022 @ 2:30pm Jun 27, 2022 | ||
| trail | You can shuttle this trail now from the top of... | Jun 14, 2022 @ 12:03am Jun 14, 2022 | ||
 | trail | Huge climb to reach the drop in, but worth it.... | Jun 9, 2022 @ 2:06pm Jun 9, 2022 | ||
| report | Thanks for checking out Condor! | May 23, 2022 @ 11:02am May 23, 2022 |
Local Badges
-
Epic Ride Climb 2k192 awarded -
Big Ride 30k1,343 awarded -
10 Black Trails193 awarded -
Epic Ride Descent 2k290 awarded -
Climbing 10k Badge146 awarded -
Descent 10k Badge163 awarded
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 62 | 162 miles | 53,054 ft | 72 miles | 5,387 ft | #432 | #231 | 629 | 689 | 22 | 16,866 | |
| E-Bike | 1 | 3 miles | 36 ft | 1,818 ft | 846 ft | 496 | 734 | |||||
| Hike | 64 | 179 miles | 56,670 ft | 81 miles | 5,387 ft | #322 | #194 | 688 | 1 | 709 | ||
| Trail Running | 64 | 179 miles | 56,670 ft | 81 miles | 5,387 ft | #323 | #194 | 688 | 1 | 122 | ||
| Horse | 12 | 55 miles | 12,844 ft | 25 miles | 5,121 ft | 229 | 2 |
- By BlazeNawaY & contributors
- Admins: CORBA, MWBA, LRCC, SDMBA
- #9518 - 5,716 views
- altadena activity log | embed map of Altadena mountain bike trails | altadena mountain biking points of interest
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