Open in App
Get this trail on your phone instantly.
more stats
1,237 ft
Distance
40 ft
Climb
-22 ft
Descent
00:02:38
Avg time
18 ft
Altitude change
365 ft
Altitude min
405 ft
Altitude max
387 ft
Altitude start
407 ft
Altitude end
1.5%
Grade
-6.1%
Grade max
23.2%
Grade min
305 ft
Distance climb
581 ft
Distance down
348 ft
Distance flat
00:02:38
Avg time
Grunt Link Details
-
Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
-
Riding AreaF. Gilbert Hills State Forest
Foxborough, Massachusetts -
Difficulty Rating
-
Local Popularity40 in Mountain Biking [+]
- 40 in E-Biking
- 75 in Trail Running
- 65 in Hiking
-
Global Ranking
-
State Ranking#2,207 in Mountain Biking · Massachusetts [+]
- #830 in E-Biking
- #3,742 in Trail Running
- #5,446 in Hiking
-
Hiking SAC ScaleT1 Hiking
-
Trail TypeSingletrack
-
Bike TypeXC
-
DirectionBoth DirectionsPopular Direction Shown
-
Climb DifficultyBlue
-
Physical RatingEasy
-
Trail VisibilityAlways easy to follow
-
Dogs AllowedYes
-
eBike Allowed
-
TTFs on TrailBridge
-
Land OwnerDCR
The "Grunt" end of this trail is really the F. Gilbert Hills "Stone Staircase," which is a challenge to climb.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 2 rides
- 12.2 km average
6 Months
- 21 rides
- 10.8 km avg distance
All
- 226 rides
- Last: Nov 3, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Grunt Link Trail Reports
more »
close
3D
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)
Trailforks scans users activity logs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
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
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
?
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
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
Heatmap of where users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
![map legend]()
Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.
Slope Aspect
Direction the slope faces
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
Suggested Layers
Based on selected activity type
Save the current map location and zoom level as your default home location whenever this page is loaded.
Save
Directions to grunt-link trailhead
(42.059870, -71.288050)
Photos
4 more »
Videos
no videos have been added for Grunt Link yet, add a video.
Routes with this trail
The Diamond Hunter @ Foxy Featured
★ 4.0 • 8 miles • 724 ft • 37 • Loop •
Tie all the Black Diamond trials in Foxy together with fast flowy singletrack in between. Minimal fire...
14 miles • 1,280 ft • 30 •
Do you like to ride bikes? This is good bike ride. It's kinda hard tho.
24 miles • 2,179 ft • 50 •
Just trying to put a three-hour ride together
prsalois4
If you are doing the diamond hunter challenge at the end look for a stone staircase, you will have to carry your bike up it then go to the right
We hope you've been enjoying Trailforks!
Create a FREE account to view all trail reviews and much more.
Nearby Trails
- Rotary 26 ft
- Washington Street Cutoff 213 ft
- G-links Cross-cut 217 ft
- G-links Cross-cut To Double Track 469 ft
- Radio Tower Access Path 548 ft
F. Gilbert Hills State Forest
- By WillieJacobsz
Trailforks SBP SWW & contributors - #167845 - 742 views
- Follow/Subscribe
- login to download gpx or kml files.
Hit the Trail
Download Trail
Save to wishlist, Garmin & download.
Find Related Routes
Find routes and users activities that include this trail.
You must enter a description before submitting.