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2.1 miles
Distance
-614 ft
Descent
1 mile
High Point
-614 ft
Altitude change
5,588 ft
Altitude min
6,202 ft
Altitude start
5,587 ft
Altitude end
-5.6%
Grade
-22.5%
Grade max
-1.1%
Grade min
2 miles
Distance down
Ruby Mine Details
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Activities
- Mountain Bike
- E-Bike
- Gravel Bike
- Horse
- Hike
- Trail Running
- Dirtbike/Moto
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Riding AreaPlumas County Gravel Network
Portola, California -
Ref Number29N46
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Difficulty Rating
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Local Popularity65 in Mountain Biking [+]
- 5 in E-Biking
- 5 in Trail Running
- 5 in Hiking
- 5 in Dirtbiking
- 5 in Horseback
- 5 in Gravel Biking
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Trail TypeDirt/Gravel Road
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Bike TypeGravel
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DirectionBoth Directions
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Climb DifficultyGreen
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Physical RatingEasy
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Trail VisibilityAlways easy to follow
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Dogs AllowedYes
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eBike AllowedYes up to Class 3
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Land OwnerPlumas National Forest
No community description for Ruby Mine trail has been added yet!
AI Generated Description
Ruby Mine is a 2 mile moderately popular dirt/gravel road trail located near Portola California. This multi-use trail can be used both directions and has a easy overall physical rating with a 0 ft green climb. Trail visibility is always easy to follow.
Local Trail Association
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Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 0 rides
6 Months
- 0 rides
All
- 0 rides
- Last: Oct 18, 2026
Ruby Mine Trail Reports
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Trail reports are used to indicate a trails current condition and inform builders and other users about any issues on a trail.
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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)
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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
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- < 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
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Trail Popularity ?
Trailforks scans activity logs to determine which trails are ridden the most in the last 9 months.
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- popular
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Activity Recordings
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Activity Recordings
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Winter Trails
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BC Backroad Status
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Directions to ruby-mine trailhead
(40.246930, -120.834800)
Photos
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Nearby Trails
- Old Town Road 1 mile
- Moonlight Valley Road 2 miles
- Moonlight Valley Road 4 miles
- Diamond Mountain Road 4 miles
- Diamond Mountain Road 4 miles
Plumas County Gravel Network
- By rivetracer
& contributors - #733744 - 173 views
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