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1,358 ft
Distance
21 ft
Climb
-17 ft
Descent
00:02:02
Avg time
3 ft
Altitude change
170 ft
Altitude min
193 ft
Altitude max
170 ft
Altitude start
174 ft
Altitude end
0.2%
Grade
-5.9%
Grade max
8.4%
Grade min
794 ft
Distance climb
423 ft
Distance down
00:02:02
Avg time
Ericson Loop Details
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Activities
- Mountain Bike
- Hike
- Trail Running
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Riding AreaGreat Brook Farm State Park
Carlisle, Massachusetts -
Difficulty Rating
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Local Popularity95 in Mountain Biking [+]
- 95 in Trail Running
- 90 in Hiking
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Global Ranking
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State Ranking
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Trail TypeSingletrack
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Bike TypeAM, XC, Fat
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DirectionBoth Directions
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Climb DifficultyGreen
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Physical RatingEasy
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Trail VisibilityAlways easy to follow
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Dogs AllowedYes
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eBike Allowed
No community description for Ericson Loop trail has been added yet!
AI Generated Description
Ericson Loop is a 1,358 ft popular green difficulty singletrack trail located near Carlisle Massachusetts. This multi-use trail can be used both directions and has a easy overall physical rating with a 21 ft green climb. Trail visibility is always easy to follow. On average it takes 2 minutes to complete this trail.
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
- 13 rides
- 11 miles average
6 Months
- 149 rides
- 12 miles avg distance
All
- 1,045 rides
- Last: Oct 26, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Ericson Loop 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
Trail Flow (Ridden Direction)
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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
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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.
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- popular
- less popular
- not popular
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Activity Recordings
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Activity Recordings
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Winter Trails
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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
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BC Backroad Status
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Slope Aspect
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Directions to ericson-loop trailhead
(42.551640, -71.347560)
Photos
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Videos
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Routes with this trail
★ 5.0 • 29 miles • 1,745 ft • 46 • Loop •
A loop Featuring trails from Great Brook Farm State Park, Russtle Mill State Forest, and Billrica trails.
★ 3.3 • 11 miles • 579 ft • 17 • Out & Back •
This is an intermediate 12 mile route which leaves from the Ski parking area. The route starts out on the...
★ 2.5 • 30 miles • 1,840 ft • 57 • Loop •
2024 NEMBA PK Memorial Advanced ride route. The route outside of Great Brook will not be marked....
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Nearby Trails
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- Bay View Trail 722 ft
- Water's Edge 997 ft
- Pond Skirt A 1,040 ft
- Tophet West 1,040 ft
Great Brook Farm State Park
- By WillieJacobsz
Trailforks SBP SWW & contributors - #169979 - 663 views
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