more stats
1.4 miles
Distance
157 ft
Climb
-162 ft
Descent
00:17:04
Avg time
-4 ft
Altitude change
194 ft
Altitude min
312 ft
Altitude max
235 ft
Altitude start
230 ft
Altitude end
-0.1%
Grade
-12.1%
Grade max
11.6%
Grade min
3,232 ft
Distance climb
3,009 ft
Distance down
1,263 ft
Distance flat
00:17:04
Avg time

Gilson Hill Loop Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
    • Snowshoe
  • Riding Area
    Billerica State Forest
    Billerica, Massachusetts
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    90 in Mountain Biking [+]
    • 80 in Trail Running
    • 70 in Hiking
    • 70 in Snowshoeing
  • Global Ranking
    #2849 in Mountain Biking [+]
    • #84122 in Trail Running
    • #24617 in Hiking
    • #1447 in Snowshoeing
  • Trail Type
    Singletrack
  • Bike Type
    XC
  • Direction
    Both Directions
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • TTFs on Trail
    Berm, Drop, Jump
  • Land Owner
    DCR

MVNEMBA design at it's finest. Good use of terrain with a little Sidewinder thrown in.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 6 rides
  • 8 miles average
6 Months
  • 210 rides
  • 10 miles avg distance
All
  • 1,878 rides
  • Last: Aug 24, 2026
c1c2c3c4
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Gilson Hill Loop Trail Reports

statusdatedescription
Jul 17, 2026 @ 12:05pm (America/New_York)
Jul 17, 2026
 Fallen tree
Jun 21, 2026 @ 10:11am (America/New_York)
Jun 21, 2026
 Large tree down on western section, close to 5 corners
May 31, 2026 @ 11:20am (America/New_York)
May 31, 2026
 two big trees down
May 12, 2026 @ 12:47pm (America/New_York)
May 12, 2026
Oct 18, 2025 @ 8:04am (America/New_York)
Oct 18, 2025
more »
Status:
on Jul 17, 2026
Avg: 4.32 (6 votes)
Your vote: 0

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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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  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
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  • < 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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  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
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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

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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to gilson-hill-loop trailhead (42.571420, -71.301270)
        View on Discover Map

        Photos

        10 more »
        mtb
        179 |
        Dec 8, 2022 @ 10:59am
        Dec 8, 2022
        mtb
        146 |
        Dec 8, 2022 @ 10:59am
        Dec 8, 2022
        mtb
        175 |
        Jan 7, 2021 @ 1:42pm
        Jan 7, 2021
        mtb
        173 |
        Nov 10, 2020 @ 6:52pm
        Nov 10, 2020

        Videos

        1 more »
        youtuber Fatbiking Russell Mill Pond and Billerica Town...
        mtb
        14:32 | 545 | Feb 10, 2021 , Billerica

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        93
        Billerica State Forest 18 miler
        ★ 5.0 • 14 miles • 946 ft • 25 • Loop •
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        2024 Great Brook Advanced Trifecta Route - PK Memorial
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        5 ★ 67%
        4 ★ 33%
        3 ★
        2 ★
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        6 Reviews & Comments


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        Frequently Asked Questions About Gilson Hill Loop

        ▼ Where is Gilson Hill Loop located?
        Gilson Hill Loop is located in Billerica State Forest, Billerica, Massachusetts, United States. It is part of the Billerica State Forest trail network. The trailhead is located at coordinates 42.57142, -71.30127.
        ▼ How hard is Gilson Hill Loop?
        Gilson Hill Loop is rated as Blue difficulty. The physical rating is Moderate. The average grade is 0.1%. The climb difficulty is rated Blue.
        ▼ What is the elevation gain for Gilson Hill Loop?
        Gilson Hill Loop has 157 ft of elevation gain. The trail has 162 ft of elevation descent. The elevation ranges from 194 ft to 312 ft.
        ▼ Is Gilson Hill Loop a point to point trail?
        Gilson Hill Loop is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
        ▼ How long is Gilson Hill Loop?
        Gilson Hill Loop is 1.4 miles long. The trail type is singletrack.
        ▼ Are dogs allowed on Gilson Hill Loop?
        Yes, dogs are allowed on Gilson Hill Loop. Please keep dogs on a leash where required and clean up after them.
        ▼ When is the best time of year to ride Gilson Hill Loop?
        Based on activity log data, the most popular months to ride Gilson Hill Loop are:
        • July (290 activities)
        • May (206 activities)
        • August (196 activities)
        Check the reports page for current trail conditions.
        ▼ How do I access Gilson Hill Loop? Where is the closest parking trailhead?
        The closest parking and trailhead locations to Gilson Hill Loop are: View all parking locations in the area.
        ▼ How long does it take to ride Gilson Hill Loop?
        Based on recorded activities, it takes an average of 17 minutes to ride Gilson Hill Loop. The trail is 1.4 miles long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
        ▼ How busy is Gilson Hill Loop?
        Gilson Hill Loop is a very popular trail. There have been 6,979 recorded activities on this trail. The trail has received 8,591 check-ins. View recent activity on this trail.

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