more stats
1,722 ft
Distance
74 ft
Climb
-61 ft
Descent
00:04:45
Avg time
13 ft
Altitude change
348 ft
Altitude min
417 ft
Altitude max
348 ft
Altitude start
361 ft
Altitude end
0.8%
Grade
-17.3%
Grade max
29.7%
Grade min
745 ft
Distance climb
784 ft
Distance down
194 ft
Distance flat
00:04:45
Avg time

The Grunt Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Hike
    • Trail Running
  • Riding Area
    F. Gilbert Hills State Forest
    Foxborough, Massachusetts
  • AKA
    Hornaday Trail
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    55 in Mountain Biking [+]
    • 35 in E-Biking
    • 5 in Trail Running
    • 45 in Hiking
  • Global Ranking
    #127978 in Mountain Biking [+]
    • #135198 in E-Biking
    • #153308 in Trail Running
    • #151269 in Hiking
  • State Ranking
    #2,225 in Mountain Biking · Massachusetts [+]
    • #814 in E-Biking
    • #5,458 in Trail Running
    • #6,469 in Hiking
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
    Popular Direction Shown
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes up to Class 1
  • Land Owner
    DCR

Fun trail with big rock rolls and rocky downhills.

Part of this trail has signage referring to it as the Hornaday Trail.

Tags
Rock slabs

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 32 rides
  • 10 miles avg distance
All
  • 286 rides
  • Last: Oct 24, 2026
update trails status or condition

The Grunt Trail Reports

statusdatedescription
May 7, 2026 @ 2:41pm (America/New_York)
May 7, 2026
Apr 30, 2026 @ 11:10am (America/Los_Angeles)
Apr 30, 2026
Apr 1, 2026 @ 2:00pm (America/New_York)
Apr 1, 2026
 Mud Season - Please avoid muddy trails
more »
Status:
on May 7, 2026
Avg: 3.61 (2 votes)
Your vote: 0

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      Directions to the-grunt trailhead (42.056650, -71.290690)
      View on Discover Map

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      Routes with this trail

      42
      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...
      74
      Tour of F. Gilbert Hills State Forest
      24 miles • 2,179 ft • 50 •
      Just trying to put a three-hour ride together
      2.5 ★★★★★
      2 Ratings
      5 ★
      4 ★ 50%
      3 ★
      2 ★
      1 ★ 50%

      1 Review & Comments

      prsalois4 prsalois4
      Fun trail with big rock rolls and rocky downhills

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      Nearby Trails

      F. Gilbert Hills State Forest

      • By toddTF Pro Trailforks & contributors
      • #156202 - 696 views

      Frequently Asked Questions

      ▼ Where is The Grunt located?
      The Grunt is located in F. Gilbert Hills State Forest, Foxborough, Massachusetts, United States. It is part of the F. Gilbert Hills State Forest trail network. The trailhead is located at coordinates 42.05665, -71.29069.
      ▼ How hard is The Grunt?
      The Grunt is rated as Black Diamond difficulty. The average grade is 0.8%.
      ▼ What is the elevation gain for The Grunt?
      The Grunt has 74 ft of elevation gain. The trail has 61 ft of elevation descent. The elevation ranges from 348 ft to 417 ft.
      ▼ Is The Grunt a point to point trail?
      The Grunt is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is The Grunt?
      The Grunt is 1,722 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on The Grunt?
      Yes, dogs are allowed on The Grunt. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access The Grunt? Where is the closest parking trailhead?
      The closest parking and trailhead locations to The Grunt are: View all parking locations in the area.
      ▼ How long does it take to ride The Grunt?
      Based on recorded activities, it takes an average of 5 minutes to ride The Grunt. The trail is 1,722 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is The Grunt?
      The Grunt is a moderately popular trail. There have been 663 recorded activities on this trail. The trail has received 680 check-ins. View recent activity on this trail.

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