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17.2 miles
Distance
1,547 ft
Climb
-617 ft
Descent
00:49:51
Avg time
930 ft
Altitude change
5,581 ft
Altitude min
6,957 ft
Altitude max
5,581 ft
Altitude start
6,512 ft
Altitude end
1%
Grade
-22.2%
Grade max
25.7%
Grade min
13 miles
Distance climb
4 miles
Distance down
4,291 ft
Distance flat
00:49:51
Avg time
Boulder River Rd Details
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Activities
- Mountain Bike
- Gravel Bike
- Winter Fat Bike
- Hike
- Trail Running
- Dirtbike/Moto
- ATV/ORV/OHV
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Riding AreaNorth Butte Divide
Butte, Montana -
Ref Number#82
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Difficulty Rating
-
Local Popularity55 in Mountain Biking [+]
- 5 in Trail Running
- 5 in Hiking
- 5 in Dirtbiking
- 5 in ATVing/Offroading
- 5 in Winter Fat Biking
- 5 in Gravel Biking
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Trail TypeDirt/Gravel Road
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Bike TypeFat, Gravel
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DirectionBoth Directions[+]
- Both Directions for Gravel Biking
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Climb DifficultyBlue
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Physical RatingModerate
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Dogs AllowedYes
Boulder River Road (FS82) is a gravel road suitable for most vehicles. The road spans the entire distance from I-90 at Deer Lodge to I-15 at Bernice. This is a small section of this road that links Gospel Hill Rd in the West and FS659 in the East with Champion Pass and the CDT trail.
Trail Supporters
USFSLand Manager
Local Trail Association
-
-
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
- 1 rides
- Last: Sep 13, 2026
Boulder River Rd 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)
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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
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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
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ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
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Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Winter Trails
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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
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BC Backroad Status
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Slope Aspect
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Directions to boulder-river-rd trailhead
(46.258570, -112.341970)
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Nearby Trails
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- By MONTANABIKERMAN
FTF & contributors - #88575 - 808 views
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