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1.2 miles
Distance
91 ft
Climb
-136 ft
Descent
00:14:59
Avg time
-45 ft
Altitude change
328 ft
Altitude min
389 ft
Altitude max
389 ft
Altitude start
344 ft
Altitude end
-0.7%
Grade
-16%
Grade max
14.4%
Grade min
1,539 ft
Distance climb
2,438 ft
Distance down
2,415 ft
Distance flat
00:14:59
Avg time
Silverfish Details
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Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
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Riding AreaGrater Woods
Merrimack, New Hampshire -
Difficulty Rating
-
Local Popularity80 in Mountain Biking [+]
- 85 in E-Biking
- 90 in Trail Running
- 75 in Hiking
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Global Ranking
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State Ranking#525 in Mountain Biking · New Hampshire [+]
- #103 in E-Biking
- #1,432 in Trail Running
- #2,305 in Hiking
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Trail TypeSingletrack
-
Climb DifficultyBlue
-
Physical RatingModerate
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Dogs AllowedYes
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eBike Allowed
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Land OwnerMerrimack Conservation Commission
Super fun twisty track with a few technical spots and some super short punchy climbs. One of the better trails at Grater.
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
- 58 rides
- 8 miles avg distance
All
- 617 rides
- Last: Oct 31, 2026
Silverfish 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
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
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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.
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- popular
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- not popular
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Activity Recordings
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Activity Recordings
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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
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BC Backroad Status
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Slope Aspect
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Directions to silverfish trailhead
(42.865600, -71.570020)
Photos
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Videos
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Routes with this trail
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For the endurance junkies. Hits up almost everything at Horse Hill, Wasserman, and Grater.
6 miles • 461 ft • 5 • Point to Point •
This route is meant to be a rather quick one that focuses on the twists and turns while working through...
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