close
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail 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%
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
ContributeDetails
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

LEGEND
Trail Difficulties
  • Access Road/Trail
  • White
  • Green
  • Blue
  • Black
  • Double Black Diamond

Trail Report Status
  • Clear / Green
  • Minor Issue / Yellow
  • Significant Issue / Amber
  • Closed

  • Land Owner Overlay
  • Wilderness (typically no bikes in USA)
  • BLM (public)
  • USFS (Wildlife sanctuaries darker than usfs)
  • State land
  • Indigenous
  • Military
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
  • Map Markers
  • trail Trail Head
  • photo Photo
  • place Directory Listing
  • region Riding Area
  • TTF TTF
  • Parking Parking
  • Viewpoint Viewpoint
  • Information Information
  • Warning Warning
  • Directions Directions
  • Sight Sight
  • Restrooms Restrooms
  • eBike Charging Point eBike Charging Point
  • Water Fountain/Source Water Fountain/Source
  • Gate Gate
  • Trail Sign Trail Sign
  • Table or Bench Table or Bench
  • Ladder Ladder
  • Stairs Stairs
  • Bridge Bridge
  • Boardwalk Boardwalk
  • Camping Camping
  • Cabin Cabin
  • Lodge Lodge
  • Bear Cache Bear Cache
  • Dock Dock
  • Ranger Station Ranger Station
  • Summit Summit
  • Other Other
      No description for Merrimack Valley NEMBA has been added yet! Login or register to submit one.
      Region Details
      • 56
      • 7
      • 140
      • 108
      • 12

      Region Status
      Open as of 20 hours
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      323
      Trails Mountain Bike
      323
      Trails E-Bike
      4
      Trails Hike
      320
      Trails Trail Running
      320
      Trails Snowmobile
      1
      Trails Snowshoe
      9
      Trails Nordic Ski
      1
      Total Distance
      169 miles
      Total Descent
      15,225 ft
      Total Vertical
      409 ft
      Highest Trailhead
      512 ft
      Reports
      884
      Photos
      93
      Ridden Counter
      33,852

      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
      Orange Goose Loop
      Russell Mill Pond & Town Forest
      Ducks Drop
      Russell Mill Pond & Town Forest
      Coots Connector
      Russell Mill Pond & Town Forest
      Blue Heron Loop
      Russell Mill Pond & Town Forest
      Lower White
      Russell Mill Pond & Town Forest
      Yellow Rabbit
      Billerica State Forest
      Red Trail
      Russell Mill Pond & Town Forest
      Purple Martin
      Russell Mill Pond & Town Forest
      Green Trail
      Russell Mill Pond & Town Forest
      Gilson Hill Loop
      Billerica State Forest
      Noble Rd Access
      Russell Mill Pond & Town Forest

      Merrimack Valley NEMBA Mountain Bike Routes

      titleratingdistance
      Great Brook Farm Intermediate Loop
      Great Brook Farm State Park
      12 miles
      Great Brook Farm Advanced Loop
      Great Brook Farm State Park
      14 miles
      Groton Woods 7.6
      Groton Town Forest
      8 miles
      Great Brook Farm Beginner MTB Loop
      Great Brook Farm State Park
      4 miles
      Groton- Lionel's Route
      Wharton Plantation
      12 miles
      Groton. This place is awesome!! Cept for the swampy parts.
      Wharton Plantation
      12 miles
      LDT
      Lowell
      11 miles
      Billerica State Forest 18 miler
      Russell Mill Pond & Town Forest
      14 miles
      Groton town forest wide trails
      Groton Town Forest
      5 miles
      Lowell Dracut 10 without the swamp
      Lowell
      10 miles

      Recent Ridelog Activity in Region

      Today
      • 3 rides
      • 15 miles avg distance
      Yesterday
      • 11 rides
      • 9 miles avg distance
      Past Week
      • 122 rides
      • 10 miles avg distance

      Photos of Merrimack Valley NEMBA Mountain Bike

      2 |
      Oct 8, 2020 @ 1:35pm
      Oct 8, 2020
      1 |
      Oct 8, 2020 @ 1:34pm
      Oct 8, 2020
      trail: Wall of Death
      33 |
      Aug 14, 2020 @ 1:22pm
      Aug 14, 2020
      trail: Wall of Death
      47 |
      Aug 14, 2020 @ 1:21pm
      Aug 14, 2020

      Videos of Merrimack Valley NEMBA Mountain Bike

      LDTF Night Ride
      trail: B Town
      0:10 | 63 | Oct 17, 2018
      May 28 a early morning Hot ride
      trail: Chicken
      2:42 | 240 | May 28, 2016
      Green Trail  Thunder Mountain MTB lift park
      11:31 | 167 | Jul 10, 2015
      THIS IS JAMAICA
      trail: Chicken
      5:00 | 30610 | Nov 4, 2014

      Current Trail Warnings

      statustraildateconditionuserinfo
      Great Brook Trail
      Great Brook Farm State Park
      Oct 9, 2020 @ 5:43pm
      Oct 9, 2020
      DryMiles170 Trees down
      Copperhead Trail
      Sandy Pond Trails
      Oct 6, 2020 @ 8:15am
      Oct 6, 2020
      VariableTodoe95Lots of branches and leaves covering...
      Bridge Street
      Wharton Plantation
      Sep 21, 2020 @ 9:08am
      Sep 21, 2020
      VariablepallandoLarge portion of trail destroyed by logging.

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      user #1829242jgryckaddreportHellavator and 4 more
      Oct 19, 2020 @ 3:50pm
      19 hours
      user #1013015scott4238votetrailOrange Goose Loop
      Oct 19, 2020 @ 7:38am
      1 days
      user #1013015scott4238riddentrailRed Trail
      Oct 19, 2020 @ 7:36am
      1 days
      user #1013015scott4238commenttrailRed Trail and 1 more
      Oct 19, 2020 @ 7:36am
      1 days
      user #1013015scott4238difficultyvotetrailRed Trail
      Oct 19, 2020 @ 7:35am
      1 days

      Recent Comments

      usernametypetitlecommentdate
      user #1013015scott4238trailOrange Goose LoopI prefer riding this in the opposite direction...
      Oct 19, 2020 @ 7:41am
      1 days
      user #1013015scott4238trailRed TrailI don't understand why this is rated black,...
      Oct 19, 2020 @ 7:36am
      1 days
      user #1013015scott4238trailGilson Hill Loopfun in both directions as there are features...
      Oct 5, 2020 @ 8:13am
      Oct 5, 2020
      user #1882022NERydertrailPump TrackExcellent little pump track. We drive 30...
      Sep 5, 2020 @ 6:40pm
      Sep 5, 2020
      user #1882022NERydertrailYellow TrailA great way to access the trail system from...
      Sep 5, 2020 @ 6:39pm
      Sep 5, 2020
      • By WillieJacobszTrailforks Pro Subscriber TRAILFORKS NEMBA & contributors
      • Admins: JimBallantyne, pjahnige, WillieJacobsz, mappermook, MV NEMBA
      • #14162 - 1,281 views
      • merrimack valley nemba activity log | embed map of Merrimack Valley NEMBA mountain bike trails | merrimack valley nemba mountain biking points of interest
      • subscribe 3d map donate to earn trail karma!

      Downloading of trail gps tracks in kml & gpx formats is enabled for Merrimack Valley NEMBA.
      You must login to download files.