13.9 miles
Distance
946 ft
Climb
-986 ft
Descent
310 ft
High Point
Downloaded from NEMBA site.
source: ...
Detailed Description
Billerica State Forest 18 miler is a 14 mile popular intermediate route located near Chelmsford Massachusetts. This mountain bike only route can be used both directions and has a moderate overall physical rating. This route includes 25 trails. This route climbs 946 ft with a max elevation of 310 ft then descends -986 ft.
Local Trail Association
Merrimack Valley NEMBA (www.nemba.org)Please consider joining or donating to the local riding association to support trail development & maintenance.
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Trails in Route
1,224 ft | |||||
1,785 ft | |||||
3,596 ft | |||||
2,539 ft | |||||
1 mile | |||||
171 ft | |||||
10 miles | |||||
581 ft | |||||
246 ft | |||||
1,260 ft | |||||
410 ft | |||||
2 miles | |||||
2,589 ft | |||||
1 mile | |||||
2 miles | |||||
1,709 ft | |||||
2,644 ft | |||||
2,277 ft | |||||
318 ft | |||||
577 ft | |||||
1,716 ft | |||||
912 ft | |||||
180 ft |
Details
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Riding area
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Primary ActivityMountain Bike
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Difficulty ratingBlue
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Route TypeLoop
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Bike typeAM
-
DirectionBoth Directions
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Physical ratingModerate
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Ridelogs
More Stats for Billerica State Forest 18 miler mountain bike route
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Avg time2 hr 10 min
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Altitude min124 ft
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Altitude start175 ft
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Altitude end135 ft
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Grade-0.1%
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Grade max-32.4%
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Grade min26.6%
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Distance climb6 miles
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Distance down6 miles
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Distance flat3 miles
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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)
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The colour categories are based on what percentage of riders are riding a trail in its intended direction.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 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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Trail Popularity ?
Trailforks scans ridelogs 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 rides = more kinetic energy = warmer colors.
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ATV/ORV/OHV Filter
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Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
- mountain biking recent
- mountain biking (>6 month)
- hiking (1 year)
- moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
- Downhill Ski
- Backcountry Ski
- Nordic Ski
- Snowmobile
Winter Trails
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A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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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
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Photos
Videos

Russel Mill Pond, 7 Mile Route
trail: Orange Goose Loop
1:4:20 | 9 | comments: 0 | favs:
Apr 3, 2025
youtuber

Fatbiking Russell Mill Pond and Billerica Town Forest MA
trail: Orange Goose Loop
14:32 | 516 | comments: 0 | favs:
Feb 10, 2021
Recent Trail Reports Along Route
status | trail | date | condition | description |
---|---|---|---|---|
Apr 5, 2025 @ 10:49am Apr 5, 2025 | ||||
Apr 5, 2025 @ 10:49am Apr 5, 2025 | ||||
Apr 5, 2025 @ 10:49am Apr 5, 2025 | ||||
Apr 5, 2025 @ 10:49am Apr 5, 2025 | ||||
Apr 5, 2025 @ 10:49am Apr 5, 2025 |
- By Catuck
& contributors
- #22653 - 1,795 views