more stats
4,144 ft
Distance
68 ft
Climb
-15 ft
Descent
00:13:53
Avg time
52 ft
Altitude change
228 ft
Altitude min
289 ft
Altitude max
232 ft
Altitude start
285 ft
Altitude end
1.3%
Grade
-5%
Grade max
8.4%
Grade min
1,969 ft
Distance climb
820 ft
Distance down
1,322 ft
Distance flat
00:13:53
Avg time

Back Side 9 Details

  • Activities
    • Mountain Bike
    • Winter Fat Bike
    • Hike
    • Trail Running
    • Snowshoe
  • Riding Area
    Holliston
    , Massachusetts
  • Difficulty Rating
  • Local Popularity
    45 in Mountain Biking [+]
    • 5 in Trail Running
    • 85 in Hiking
    • 5 in Snowshoeing
  • Global Ranking
    #180364 in Mountain Biking
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Singletrack
  • Bike Type
    XC, Fat
  • Direction
    Both Directions
    Popular Direction Shown
  • Climb Difficulty
    Green
  • Physical Rating
    Moderate
  • Trail Visibility
    Sometimes hard to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
  • TTFs on Trail
    Rock Garden

No community description for Back Side 9 trail has been added yet!

AI Generated Description

Back Side 9 is a 4,144 ft moderately popular blue difficulty singletrack trail located near Holliston Massachusetts. This multi-use trail can be used both directions and has a moderate overall physical rating with a 68 ft green climb. It features rock garden. Trail visibility is sometimes hard to follow. On average it takes 13 minutes to complete this trail.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
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6 Months
  • 0 rides
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All
  • 29 rides
  • Last: Aug 30, 2025
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Back Side 9 Trail Reports

statusdatedescription
Oct 5, 2025 @ 1:45pm (America/New_York)
Oct 5, 2025
reporter Coming in from the rail trail side, the trail disappears into very rocky terrain. Not sure it’s worth trying to revive this.
Aug 12, 2024 @ 5:52pm
Aug 12, 2024
There's a nice new bridge at the beginning of the trail that rides great, but as you get further into the trail, it gets worse and worse. ...
Jul 1, 2024 @ 9:26am
Jul 1, 2024
Trail is okay at first, but as you get into to there’s many small trees down and brush over the trail. About halfway through there’s a strange...
Jul 21, 2023 @ 3:17pm
Jul 21, 2023
leaves needs some raking
Jul 4, 2022 @ 10:24am
Jul 4, 2022
Bridge is broken
more »
Status:
on Oct 5, 2025
Variable
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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
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  • Both Directions
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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to back-side-9 trailhead (42.168280, -71.469670)

        Photos

        2 more »
        25 |
        Jul 1, 2024 @ 9:30am
        Jul 1, 2024
        32 |
        Jul 4, 2022 @ 10:24am
        Jul 4, 2022

        Videos

        no videos have been added for Back Side 9 yet, add a video.

        1 Review & Comments


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        • By splat-manTF Pro & contributors
        • #352343 - 983 views

        Frequently Asked Questions About Back Side 9

        Where is Back Side 9 located?
        Back Side 9 is located in Holliston, Massachusetts, United States. It is part of the Holliston trail network. The trailhead is located at coordinates 42.16828, -71.46967.
        How hard is Back Side 9?
        Back Side 9 is rated as Blue difficulty. The physical rating is Moderate. The average grade is 1.3%. The climb difficulty is rated Green.
        What is the elevation gain for Back Side 9?
        Back Side 9 has 68 ft of elevation gain. The trail has 15 ft of elevation descent. The elevation ranges from 228 ft to 289 ft.
        Is Back Side 9 a point to point trail?
        Back Side 9 is not a point to point trail. The direction is Both Directions. The trail type is singletrack.

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