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1,391 ft
Distance
99 ft
Climb
00:03:20
Avg time
101 ft
Altitude change
6,920 ft
Altitude min
7,022 ft
Altitude max
6,920 ft
Altitude start
7,021 ft
Altitude end
7.3%
Grade
-0.7%
Grade max
16.7%
Grade min
1,237 ft
Distance climb
23 ft
Distance down
131 ft
Distance flat
00:03:20
Avg time
Prime Mover Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaMaple Hill Trail System
Big Bear City, California -
Difficulty Rating
-
Local Popularity80 in Mountain Biking [+]
- 5 in Trail Running
- 5 in Hiking
-
Global Ranking
-
State Ranking
-
Hiking SAC ScaleT1 Hiking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionUphill PrimaryPopular Direction Shown
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Climb DifficultyGreen
-
Physical RatingModerate
-
Trail VisibilityAlways easy to follow
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Dogs AllowedYes
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Land OwnerBear Valley USD Education Foundation
Primary mountain bike uphill to access two different downhill mountain bike short tracks. Repeatable intervals for building skills and fitness. Hiking both ways.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 29 rides
- 10 miles avg distance
All
- 161 rides
- Last: Oct 18, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Prime Mover Trail Reports
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3D
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)
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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.
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Winter Trails
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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 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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Directions to prime-mover trailhead
(34.256720, -116.834860)
Photos
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Videos
no videos have been added for Prime Mover yet, add a video.
Routes with this trail
★ 5.0 • 8 miles • 975 ft • 13 • Loop • Race •
The 2024 Big Bear Grizzly race will be held at the Maple Hill trail network. It will start by the high...
3 Reviews & Comments
BenLow2019
Prime Mover’s north end starts at Baldwin Loop. The little tail north of Baldwin is locally posted as Bernhardt Connector. Consider editing to match
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Nearby Trails
- South Sawmill Connector 1,608 ft
- Shore Connector 1,857 ft
- School Loop 1,877 ft
- Valley Connector 1,880 ft
- Boulevard Connector 2,054 ft
Maple Hill Trail System
- By gravetrail
& contributors - #467635 - 768 views
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