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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.
  • > 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
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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
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      No description for Merrimack Valley NEMBA has been added yet! Login or register to submit one.
      Activities Click to view
      Region Details
      • 95
      • 5
      • 213
      • 158
      • 17

      Local Trail Association

      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

      Popular Merrimack Valley NEMBA Mountain Biking Trails

      statustitledifficultyrating
      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

      titleratingdistance
      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

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 1 rides
      Past Week
      • 43 rides

      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, 2022

      Videos of Merrimack Valley NEMBA Mountain Bike

      Jimmy & Red, The wall
      trail: Red
      109 | May 9, 2021
      LDTF Night Ride
      trail: B Town
      0:10 | 141 | Oct 17, 2018
      May 28 a early morning Hot ride
      trail: Chicken
      2:42 | 280 | May 28, 2016
      Green Trail  Thunder Mountain MTB lift park
      11:31 | 201 | Jul 10, 2015
      THIS IS JAMAICA
      trail: Chicken
      5:00 | 30683 | Nov 4, 2014
      Russell Mill Pump Track

      0:44 | 595 | Oct 18, 2014

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #1981885longshore5117riddentrailRed Trail
      Jan 18, 2023 @ 1:28pm
      Jan 18, 2023
      user #3269845JacksonSQc0eNwishlistrouteTour de Lowell Dracut Tyngsboro
      Jan 16, 2023 @ 6:48pm
      Jan 16, 2023
      user #761742rjc53addreportUpper Valley
      Jan 11, 2023 @ 2:09pm
      Jan 11, 2023
      user #2319210jonahkeyserlingwishlistrouteGreat Brook Farm Intermediate Loop
      Jan 9, 2023 @ 1:47pm
      Jan 9, 2023
      user #2493653jbrazdaaddreportUpper Valley and 4 more
      Jan 8, 2023 @ 4:31pm
      Jan 8, 2023

      Recent Comments

      usernametypetitlecommentdate
      user #1364137TypeRKelleyreportWild TurkeyMake that two trees
      Oct 19, 2022 @ 8:17am
      Oct 19, 2022
      user #766481SofakingfastreportYellow RabbitAll clear
      Sep 14, 2022 @ 3:42pm
      Sep 14, 2022
      user #766481SofakingfastreportRoute 3 OverlookAll set. Thanks for the report.
      Sep 2, 2022 @ 11:18am
      Sep 2, 2022
      user #1217956tootechyreportOrange Goose LoopThanks for clearing it out!
      Jul 24, 2022 @ 2:09pm
      Jul 24, 2022
      user #766481SofakingfastreportOrange Goose LoopAll clear. Thanks for the report.
      Jul 24, 2022 @ 12:45pm
      Jul 24, 2022

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike490230 miles16,962 ft92 miles453 ft
      2051,7772432,183
      E-Bike136 miles577 ft3 miles390 ft
      1,491132
      Horse63 miles246 ft2 miles213 ft
      25812
      Hike489232 miles16,598 ft92 miles453 ft
      31,7705763
      Trail Running488228 miles16,532 ft91 miles453 ft
      1,7701235
      Dirtbike/Moto11 mile98 ft3,766 ft98 ft
      2582
      Observed Trials11 mile98 ft3,766 ft98 ft
      214
      ATV/ORV/OHV11 mile98 ft3,766 ft98 ft
      2585
      Snowmobile14,199 ft69 ft1,227 ft46 ft
      12
      Snowshoe14654 miles3,136 ft19 miles295 ft
      26694
      Downhill Ski193 miles1,588 ft3 miles223 ft
      44
      Backcountry Ski22,008 ft16 ft823 ft154 ft
      219
      Nordic Ski64 miles351 ft2 miles279 ft
      3140
      • 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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