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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Inadequate
- Freeze/thaw Cycle
- Icy
- Prevalent Mud
- Wet
- Variable
- Ideal
- Dry
- Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
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
Trailforks scans ridelogs 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
Colors indicate trail is missing specified detail.
- Description
- Photos
- Description & Photos
- Videos
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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
Radar Time
x
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
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
Only show trails with NO bikes.
Save the current map location and zoom level as your default home location whenever this page is loaded.
SavePopular Trail Networks
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No description for Merrimack Valley NEMBA has been added yet!
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Activities Click to view
- Mountain Bike
490 trails
- E-Bike
13 trails
- Horse
6 trails
- Hike
489 trails
- Trail Running
488 trails
- Snowshoe
146 trails
- Nordic Ski
6 trails
Stats
- Avg Trail Rating
- Trails (view details)
- 510
- Trails Mountain Bike
- 490
- Trails E-Bike
- 13
- Trails Horse
- 6
- Trails Hike
- 489
- Trails Trail Running
- 488
- Trails Dirtbike/Moto
- 1
- Trails Observed Trials
- 1
- Trails ATV/ORV/OHV
- 1
- Trails Snowmobile
- 1
- Trails Snowshoe
- 146
- Trails Downhill Ski
- 19
- Trails Backcountry Ski
- 2
- Trails Nordic Ski
- 6
- Total Distance
- 239 miles
- Total Descent
- 18,669 ft
- Total Vertical
- 453 ft
- Highest Trailhead
- 512 ft
- Reports
- 1,777
- Photos
- 215
- Ridden Counter
- 77,391
Sub Regions
- Billerica (35)
- Boxborough (34)
- Carlisle (56)
- Chelmsford (50)
- Dunstable (12)
- Groton (124)
- Littleton (19)
- Lowell (60)
- Stow (49)
- Tewksbury (27)
- Tyngsborough (12)
- Cow Pond (10)
- Elbow Meadow (2)
- Westford (31)
- Nashoba Brook (30)
Popular Merrimack Valley NEMBA Mountain Biking Trails
| status | title | difficulty | rating |
|---|---|---|---|
| Yellow Trail Russell Mill Pond & Town Forest | |||
| Wild Turkey Russell Mill Pond & Town Forest | |||
| Pump Track Russell Mill Pond & Town Forest | |||
| Upper White Russell Mill Pond & Town Forest | |||
| Yellow Rabbit Billerica State Forest | |||
| Orange Goose Loop Russell Mill Pond & Town Forest | |||
| Purple Martin Russell Mill Pond & Town Forest | |||
| Blue Heron Loop Russell Mill Pond & Town Forest | |||
| Lower White Russell Mill Pond & Town Forest | |||
| Coots Connector Russell Mill Pond & Town Forest | |||
| Northern Loop Billerica State Forest | |||
| Green Trail Russell Mill Pond & Town Forest | |||
| Ducks Drop Russell Mill Pond & Town Forest | |||
| Carbon Force Billerica State Forest | |||
| Gilson Hill Loop Billerica State Forest |
Merrimack Valley NEMBA Mountain Bike Routes
| title | rating | distance |
|---|---|---|
| Great Brook Farm Intermediate Loop Great Brook Farm State Park | 12 miles | |
| Epic Trail Ride Boston to Northampton: Day 2 - Littleton to Wachusett Littleton | 47 miles | |
| Great Brook Farm Advanced Loop Great Brook Farm State Park | 14 miles | |
| LDT East Lowell | 6 miles | |
| Billerica State Forest 18 miler Russell Mill Pond & Town Forest | 14 miles | |
| Groton Town Forest Wide Trails Groton Town Forest | 5 miles | |
| Groton Woods 7.6 Groton Town Forest | 8 miles | |
| Lowell Dracut 10 without the swamp Lowell | 10 miles | |
| BCT Bike Route- Chelmsford to Concord Merrimack Valley NEMBA | 20 miles | |
| LDT Lowell | 11 miles |
Photos of Merrimack Valley NEMBA Mountain Bike
trail: Boombox
3 |
Dec 17, 2022 @ 6:35am
Dec 17, 2022
trail: Boombox
6 |
Dec 17, 2022 @ 6:35am
Dec 17, 2022
trail: Boombox
7 |
Dec 17, 2022 @ 6:35am
Dec 17, 2022
trail: Boombox
6 |
Dec 12, 2022 @ 11:55am
Dec 12, 2022
trail: Boombox
8 |
Dec 12, 2022 @ 11:54am
Dec 12, 2022
trail: Boombox
4 |
Dec 12, 2022 @ 11:54am
Dec 12, 2022
trail: Boombox
3 |
Dec 12, 2022 @ 11:54am
Dec 12, 2022
trail: Boombox
2 |
Dec 12, 2022 @ 11:54am
Dec 12, 2022Videos of Merrimack Valley NEMBA Mountain Bike
96 |
Mar 4, 2022
|
Mar 4, 2022
trail: Red
109 |
May 9, 2021
trail: B Town
0:10 |
141 |
Oct 17, 2018
trail: Chicken
2:42 |
280 |
May 28, 2016
trail: Green Trail
11:31 |
201 |
Jul 10, 2015
trail: Chicken
5:00 |
30683 |
Nov 4, 2014
0:44 |
595 |
Oct 18, 2014
Recent Trail Reports
| status | trail | date | condition | info | user |
|---|---|---|---|---|---|
| Upper Valley Lowell-Dracut-Tyngsboro State Forest | Jan 11, 2023 @ 5:17am Jan 11, 2023 | Freeze/thaw Cycle | rjc53 | ||
| B Town Lowell-Dracut-Tyngsboro State Forest | Jan 8, 2023 @ 3:44am Jan 8, 2023 | Variable | jbrazda | ||
| Bob's Bypass Lowell-Dracut-Tyngsboro State Forest | Jan 8, 2023 @ 3:44am Jan 8, 2023 | Ideal | jbrazda | ||
| Gumpus Trail Lowell-Dracut-Tyngsboro State Forest | Jan 8, 2023 @ 3:44am Jan 8, 2023 | Variable | jbrazda | ||
| Lower Valley Loop Lowell-Dracut-Tyngsboro State Forest | Jan 8, 2023 @ 3:44am Jan 8, 2023 | Variable | jbrazda | ||
| Whortleberry Hill Link Lowell-Dracut-Tyngsboro State Forest | Dec 29, 2022 @ 10:18am Dec 29, 2022 | Dry | wildmeff | ||
| Dead River Swamp Trail Groton Town Forest | Dec 29, 2022 @ 9:23am Dec 29, 2022 | Icy | gwynburns21 | ||
| Discovery Lowell-Dracut-Tyngsboro State Forest | Dec 29, 2022 @ 8:29am Dec 29, 2022 | Prevalent Mud | wildmeff | ||
| E7 Groton Town Forest | Dec 29, 2022 @ 1:23am Dec 29, 2022 | Icy | gwynburns21 | ||
| Grady Wilson Lowell-Dracut-Tyngsboro State Forest | Dec 29, 2022 @ 12:29am Dec 29, 2022 | Prevalent Mud | wildmeff |
Activity Feed
| username | action | type | title | date | |
|---|---|---|---|---|---|
 | longshore5117 | ridden | trail | Red Trail | Jan 18, 2023 @ 1:28pm Jan 18, 2023 |
| JacksonSQc0eN | wishlist | route | Tour de Lowell Dracut Tyngsboro | Jan 16, 2023 @ 6:48pm Jan 16, 2023 |
| rjc53 | add | report | Upper Valley | Jan 11, 2023 @ 2:09pm Jan 11, 2023 |
| jonahkeyserling | wishlist | route | Great Brook Farm Intermediate Loop | Jan 9, 2023 @ 1:47pm Jan 9, 2023 |
| jbrazda | add | report | Upper Valley and 4 more | Jan 8, 2023 @ 4:31pm Jan 8, 2023 |
Recent Comments
| username | type | title | comment | date | |
|---|---|---|---|---|---|
 | report | Make that two trees | Oct 19, 2022 @ 8:17am Oct 19, 2022 | ||
 | report | All clear | Sep 14, 2022 @ 3:42pm Sep 14, 2022 | ||
| report | All set. Thanks for the report. | Sep 2, 2022 @ 11:18am Sep 2, 2022 | ||
| report | Thanks for clearing it out! | Jul 24, 2022 @ 2:09pm Jul 24, 2022 | ||
| report | All clear. Thanks for the report. | Jul 24, 2022 @ 12:45pm Jul 24, 2022 |
Local Badges
-
Completionist0 awarded -
Completionist37 awarded -
Climbing 10k Badge0 awarded -
Epic Ride Descent 2k0 awarded -
Mountain Biking 100k Badge0 awarded -
Descent 10k Badge0 awarded
Bike & Skill Parks
| name | type | city | rating |
|---|---|---|---|
| Russell Mill Pump Track | skill park | Chelmsford | |
| Billerica BMX | skill park | Billerica | |
| Livingston Street Skatepark | skill park | Tewksbury |
Local Mountain Biking Directory
-
Merrimack Valley NEMBA
![Merrimack Valley NEMBA]()
-
CK Bikes
-
Chelmsford CycleryBike Shop
![Chelmsford Cyclery]()
-
FoxcoBike Shop
Activity Type Stats
| activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mountain Bike | 490 | 230 miles | 16,962 ft | 92 miles | 453 ft | 205 | 1,777 | 24 | 32,183 | |||
| E-Bike | 13 | 6 miles | 577 ft | 3 miles | 390 ft | 1,491 | 132 | |||||
| Horse | 6 | 3 miles | 246 ft | 2 miles | 213 ft | 258 | 12 | |||||
| Hike | 489 | 232 miles | 16,598 ft | 92 miles | 453 ft | 3 | 1,770 | 5 | 763 | |||
| Trail Running | 488 | 228 miles | 16,532 ft | 91 miles | 453 ft | 1,770 | 1 | 235 | ||||
| Dirtbike/Moto | 1 | 1 mile | 98 ft | 3,766 ft | 98 ft | 258 | 2 | |||||
| Observed Trials | 1 | 1 mile | 98 ft | 3,766 ft | 98 ft | 2 | 14 | |||||
| ATV/ORV/OHV | 1 | 1 mile | 98 ft | 3,766 ft | 98 ft | 258 | 5 | |||||
| Snowmobile | 1 | 4,199 ft | 69 ft | 1,227 ft | 46 ft | 1 | 2 | |||||
| Snowshoe | 146 | 54 miles | 3,136 ft | 19 miles | 295 ft | 2 | 66 | 94 | ||||
| Downhill Ski | 19 | 3 miles | 1,588 ft | 3 miles | 223 ft | 44 | ||||||
| Backcountry Ski | 2 | 2,008 ft | 16 ft | 823 ft | 154 ft | 2 | 19 | |||||
| Nordic Ski | 6 | 4 miles | 351 ft | 2 miles | 279 ft | 3 | 140 |
- By WillieJacobsz
TRAILFORKS Trailforks NEMBA & contributors - Admins: NEMBA, NEMBAEXEC, BCT, JimBallantyne, brucerioux, pjahnige, mappermook, MV NEMBA, NEPM
- #14162 - 2,655 views
- merrimack valley nemba activity log | embed map of Merrimack Valley NEMBA mountain bike trails | merrimack valley nemba mountain biking points of interest polygons
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