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2,991 ft
Distance
132 ft
Climb
-128 ft
Descent
00:08:05
Avg time
5 ft
Altitude change
1,112 ft
Altitude min
1,231 ft
Altitude max
1,121 ft
Altitude start
1,126 ft
Altitude end
0.157%
Grade
-29.116%
Grade max
19.163%
Grade min
1,626 ft
Distance climb
1,200 ft
Distance down
165 ft
Distance flat
00:08:05
Avg time
Radar Details
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Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
-
Riding AreaFrank G. Bonelli Park
San Dimas, California -
Difficulty Rating
-
Local Popularity
-
Global Ranking
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State Ranking#4,171 in Mountain Biking · California [+]
- #687 in E-Biking
- #7,484 in Trail Running
- #14,960 in Hiking
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Trail TypeSingletrack
-
Bike TypeXC
-
DirectionBoth DirectionsPopular Direction Shown
-
Climb DifficultyBlue
-
Physical RatingEasy
-
Dogs AllowedYes
-
eBike Allowed
Fun climb around the radar(?) rocket contraption.
Local Trail Association
-
-
Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Recent Activity on Trail
Past Week
- 2 rides
- 10 miles average
6 Months
- 20 rides
- 12 miles avg distance
All
- 177 rides
- Last: Nov 11, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Radar 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
inches
US Cell Coverage
Legend
Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
?
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
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
Trails Deemphasized
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Only show trails with no bike usage.
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Directions to radar-89015 trailhead
(34.078332, -117.790341)
Photos
4 more »
Videos
1 more »
ebike
24:47 |
282 |
Oct 3, 2023 , San Dimas
Routes with this trail
more »
★ 3.0 • 10 miles • 1,463 ft • 8 •
Fun and easy tour of Bonelli Park, enjoyable for all levels
★ 3.0 • 10 miles • 1,371 ft • 18 • Loop •
The 10 mile Nurburgring of the West Coast, taking you round the whole outside perimiter of the Bonelli...
10 miles • 1,422 ft • 7 • Loop •
The 10 mile Nurburgring of the West Coast, taking you round the whole outside perimiter of the Bonelli...
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Nearby Trails
- Crosby Trail 105 ft
- Lobo Single Track 463 ft
- Radar Connector 709 ft
- Radar Single Track 876 ft
- Hot Tubs 984 ft
Frank G. Bonelli Park
- By derkderkall
& contributors - #89015 - 1,193 views
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