more stats
5,151 ft
Distance
71 ft
Climb
-58 ft
Descent
00:05:52
Avg time
13 ft
Altitude change
167 ft
Altitude min
230 ft
Altitude max
173 ft
Altitude start
187 ft
Altitude end
0.3%
Grade
-7.5%
Grade max
11.2%
Grade min
1,621 ft
Distance climb
2,559 ft
Distance down
968 ft
Distance flat
00:05:52
Avg time

Fern Loop Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Great Brook Farm State Park
    Carlisle, Massachusetts
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    75 in Mountain Biking [+]
    • 5 in Trail Running
    • 75 in Hiking
  • Global Ranking
    #88013 in Mountain Biking [+]
    • #364139 in Trail Running
    • #128751 in Hiking
  • State Ranking
    #1,515 in Mountain Biking · Massachusetts [+]
    • #12,380 in Trail Running
    • #5,235 in Hiking
  • Trail Type
    Singletrack
  • Bike Type
    AM, XC, Fat
  • Direction
    Both Directions
  • Climb Difficulty
    Green
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
    No

No community description for Fern Loop trail has been added yet!

AI Generated Description

Fern Loop is a 5,151 ft popular blue difficulty singletrack trail located near Carlisle Massachusetts. This multi-use trail can be used both directions and has a moderate overall physical rating with a 71 ft green climb. Trail visibility is always easy to follow. On average it takes 5 minutes to complete this trail.

Tags

Local Trail Association

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 7 rides
  • 6 miles average
6 Months
  • 64 rides
  • 5 miles avg distance
All
  • 115 rides
  • Last: Oct 26, 2026
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Fern Loop Trail Reports

statusdatedescription
Mar 30, 2019 @ 3:10pm
Mar 30, 2019
 reporter Running great. Isolated normal wet spots
more »
Status:
on Mar 30, 2019
Dry
Avg: 3.99 (2 votes)
Your vote: 0

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      Directions to fern-loop trailhead (42.553650, -71.353600)
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      4.0 ★★★★★
      2 Ratings
      5 ★ 50%
      4 ★
      3 ★ 50%
      2 ★
      1 ★

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      Nearby Trails

      Great Brook Farm State Park

      Frequently Asked Questions

      ▼ Where is Fern Loop located?
      Fern Loop is located in Great Brook Farm State Park, Carlisle, Massachusetts, United States. It is part of the Great Brook Farm State Park trail network. The trailhead is located at coordinates 42.55365, -71.3536.
      ▼ How hard is Fern Loop?
      Fern Loop is rated as Blue difficulty. The physical rating is Moderate. The average grade is 0.3%. The climb difficulty is rated Green.
      ▼ What is the elevation gain for Fern Loop?
      Fern Loop has 71 ft of elevation gain. The trail has 58 ft of elevation descent. The elevation ranges from 167 ft to 230 ft.
      ▼ Is Fern Loop a point to point trail?
      Fern Loop is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
      ▼ How long is Fern Loop?
      Fern Loop is 5,151 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on Fern Loop?
      Yes, dogs are allowed on Fern Loop. Please keep dogs on a leash where required and clean up after them.
      ▼ When is the best time of year to ride Fern Loop?
      Based on activity log data, the most popular months to ride Fern Loop are:
      • July (18 activities)
      • October (15 activities)
      • June (12 activities)
      Check the reports page for current trail conditions.
      ▼ How do I access Fern Loop? Where is the closest parking trailhead?
      The closest parking and trailhead locations to Fern Loop are: View all parking locations in the area.
      ▼ How long does it take to ride Fern Loop?
      Based on recorded activities, it takes an average of 6 minutes to ride Fern Loop. The trail is 5,151 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is Fern Loop?
      Fern Loop is a very popular trail. There have been 226 recorded activities on this trail. The trail has received 245 check-ins. View recent activity on this trail.

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