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1.2 miles
Distance
91 ft
Climb
-136 ft
Descent
00:14:48
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
00:14:48
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 [+]
- 70 in E-Biking
- 5 in Trail Running
- 60 in Hiking
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Global Ranking
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Trail TypeSingletrack
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Climb DifficultyBlue
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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
- 5 rides
- 6 miles average
6 Months
- 34 rides
- 7 miles avg distance
All
- 579 rides
- Last: Jun 21, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
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
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The colour categories are based on what percentage of riders are riding a trail in its intended direction.
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- > 90%
- > 80%
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- < 50%
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- < 1 week
- < 2 weeks
- < 1 month
- < 6 months
- > 6 months
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- Both Directions
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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
10 miles • 1,322 ft • 8 •
Skip the doubletrack trails and get right to it. Climb to via , , Milipede, , and then descend via ,
28 miles • 1,886 ft • 23 • Loop •
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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Nearby Trails
- Salamander Access 344 ft
- Grater Woods Trail 650 ft
- Caterpillar 876 ft
- Salamander 876 ft
- Grater Forest 958 ft
- By zdwagner & contributors
- #73544 - 1,870 views
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Frequently Asked Questions About Silverfish
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Where is Silverfish located?
Silverfish is located in Grater Woods, Merrimack, New Hampshire, United States. It is part of the Grater Woods trail network. The trailhead is located at coordinates 42.8656, -71.57002.
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How hard is Silverfish?
Silverfish is rated as Blue difficulty. The physical rating is Moderate. The average grade is 0.7%. The climb difficulty is rated Blue.
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What is the elevation gain for Silverfish?
Silverfish has 91 ft of elevation gain. The trail has 136 ft of elevation descent. The elevation ranges from 328 ft to 389 ft.
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How long is Silverfish?
Silverfish is 1.2 miles long. The trail type is singletrack.
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