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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)
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.
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  • popular
  • less popular
  • not popular
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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
Winter Trails
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x Missing Trails
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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
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
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      The Blackstone Valley Chapter of NEMBA has embraced Trailforks and is responsible for curating the Region on Trailforks. The Curator of the Region's maps on Trailforks is Bruce Rioux. You can contact him through the Trailforks direct message system as "BruceRioux", or on any of the Chapter's Social Media platforms.

      The Blackstone Valley Region stretches from the Connecticut border in the South to Northborough in the North, and from Worcester in the West to Natick in the East. There are a large number of riding areas in the Region including Callahan State Forest and Mt Pisgah in the North, Douglas State Forest and Mendon Town Forest in the South, Hodges Village Dam in the West and the Vietnam Trail Network, West Hill Dam and Goat Hill in the East. It also includes a number of other riding areas in the towns of Millbury, Westborough, Grafton, Upton, Sutton, Northbridge, Holliston, Ashland and Hopkinton.

      The mission of Blackstone Valley NEMBA is to promote sustainable mountain biking in the Region and to organize a variety of fun rides and events for our members.

      We work with land managers and perform trail maintenance to increase the quantity and quality of terrain available to bicycles. Vietnam is one of our key riding areas, but we all offer a weekly rides on various trails in the area, so come join us.
      Links
      featured
      Activities Click to view
      Region Details
      • 279
      • 9
      • 629
      • 790
      • 102
      • 14
      • 3

      Stats

      Avg Trail Rating
      Trails (view details)
      1,999
      Trails Mountain Bike
      1,854
      Trails E-Bike
      284
      Trails Horse
      833
      Trails Hike
      2,009
      Trails Trail Running
      1,993
      Trails Dirtbike/Moto
      61
      Trails Observed Trials
      9
      Trails Snowmobile
      12
      Trails Snowshoe
      1,446
      Trails Downhill Ski
      2
      Trails Backcountry Ski
      40
      Trails Nordic Ski
      1,139
      Total Distance
      806 miles
      Total Descent
      67,235 ft
      Total Vertical
      1,263 ft
      Highest Trailhead
      1,374 ft
      Reports
      11,279
      Photos
      3,522
      Ridden Counter
      244,886

      Outside Logo Articles

      The 5 Best New Thru-Hikes to Start Planning Now
      Jan 4, 2022 from backpacker.com
      Start planning to hike these in-progress U.S. trails in 2022.

      Popular Trail Networks

      title
      Vietnam Trail Network 34 61 19 2
      Douglas State Forest 33 54 7 1
      Hodges Village Dam 40 36 11 3
      Callahan State Park 27 27 2
      Hopkinton State Park 26 36 1
      view all areas »
      Sub Regions

      Popular Blackstone Valley Mountain Biking Trails

      statustitledifficultyrating
      Adams Lot Trail
      Vietnam Trail Network
      Tonto
      Vietnam Trail Network
      Sneaky Quickie
      Vietnam Trail Network
      NEMBA Trail
      Vietnam Trail Network
      The Gigg
      Vietnam Trail Network
      Optional Rocks
      Vietnam Trail Network
      New Trail
      Vietnam Trail Network
      Nemba Way
      Vietnam Trail Network
      Rubberstamp
      Vietnam Trail Network
      Bravo
      West Hill Dam
      Alpha
      West Hill Dam
      Charlie
      West Hill Dam
      Highway Connector
      Vietnam Trail Network
      Foxtrot
      West Hill Dam
      Echo
      West Hill Dam

      Blackstone Valley Mountain Bike Routes

      titleratingdistance
      Vietnam Hall of Fame
      Vietnam Trail Network
      8 miles
      Bay Circuit Trail - Sherborn Section
      Rocky Narrows
      11 miles
      2024 Best Dam Ride - 14mi
      West Hill Dam
      14 miles
      2024 Best Dam Ride - 7mi
      West Hill Dam
      7 miles
      Fastest Route Adams Lot to NEMBA Land
      Vietnam Trail Network
      4 miles
      Tour De Sherborn Mountain Bike Route
      Sherborn
      15 miles
      2024 Best Dam Ride - Adaptive & Beginner
      West Hill Dam
      3 miles
      Nam Challenge 620
      Vietnam Trail Network
      2 miles
      The Blackstone 2024 Upton State Forest
      Upton State Forest
      5 miles
      Mike's Novice Tour of Vietnam
      Vietnam Trail Network
      4 miles

      Recent Ride Log Activity in Region

      Today
      • 3 rides
      Yesterday
      • 89 rides
      Past Week
      • 353 rides

      Photos of Blackstone Valley Mountain Bike

      1 |
      Mar 31, 2025 @ 3:52pm
      Mar 31, 2025
      18 |
      Dec 22, 2024 @ 12:28pm
      Dec 22, 2024
      90 |
      May 13, 2021 @ 11:57am
      May 13, 2021
      trail: C4
      1,065 |
      Jul 13, 2020 @ 3:16am
      Jul 13, 2020
      trail: C4
      1,385 |
      Mar 29, 2020 @ 7:17am
      Mar 29, 2020
      trail: NEMBA Loop
      1,224 |
      Mar 14, 2019 @ 9:27am
      Mar 14, 2019
      trail: NEMBA Loop
      1,072 |
      Mar 14, 2019 @ 9:27am
      Mar 14, 2019
      trail: NEMBA Trail
      1,929 |
      Jun 2, 2006 @ 10:25am
      Jun 2, 2006
      | 1 comments

      Videos of Blackstone Valley Mountain Bike

      Psych Ward Ramp Condition 2025
      trail: Psych Ward
      11 | Jan 5, 2025
      207 Drop Build Timelapse
      trail: 207
      110 | Aug 14, 2024
      trail: 207
      481 | May 24, 2024
      West Hill Dam Jump Line
      163 | Sep 9, 2023
      Rolling down Root Canal
      trail: Root Canal
      182 | May 24, 2023
      F16 crash
      trail: F16
      | Oct 29, 2022
      Run Down Lunge Dh Track
      104 | Oct 21, 2022
      Welcome To the Flow Zone
      103 | Jul 31, 2022

      Current Trail Warnings

      statustraildateconditionuserinfo
      BR14
      Barber Reservation
      Apr 17, 2025 @ 6:20pm
      2 days
      Prevalent MudAkazakinLarge tree down near B11 intersection
      Pine Thrill
      Sherborn Town Forest - Central
      Apr 16, 2025 @ 12:11pm
      3 days
      DryshopengartenTree fall between wooden drop and big...
      Kitty Corner Cutoff
      Douglas State Forest
      Apr 9, 2025 @ 5:57pm
      Apr 9, 2025
      Variablebrucerioux WACH NEMBA

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      RoyRideraddreportactivity #69929342
      Apr 19, 2025 @ 6:55am
      25 mins
      eightyriddentrailactivity #69903896
      Apr 18, 2025 @ 6:20pm
      13 hours
      Charlie5gRPXLaddreportactivity #69890255
      Apr 18, 2025 @ 2:44pm
      17 hours
      Mxpx2032riddentrailactivity #69890082
      Apr 18, 2025 @ 2:41pm
      17 hours
      AllisonBETrcuaddreportactivity #69880628
      Apr 18, 2025 @ 12:14pm
      19 hours

      Recent Comments

      usernametypetitlecommentdate
      BillnEZlv0reportRound Rock Climbing TrailNTC has cleared these trees
      Apr 4, 2025 @ 11:39am
      Apr 4, 2025
      5000brianstrailDaredevils DescentFun one! Short but it has some proper New...
      Mar 29, 2025 @ 9:27am
      Mar 29, 2025
      bostondonmtbreportTyler TrailI don't know why it doubled up the report....
      Mar 19, 2025 @ 10:58am
      Mar 19, 2025
      kd7000reportTyler Trail2 trees cleared 16-Mar-2025.
      Mar 16, 2025 @ 2:50pm
      Mar 16, 2025
      kd7000reportTyler TrailThis one has been cleared.
      Mar 16, 2025 @ 2:50pm
      Mar 16, 2025

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike1,853733 miles59,931 ft291 miles1,263 ft
      3,29511,324115112,061
      E-Bike284117 miles8,793 ft52 miles646 ft
      86,635172,268
      Horse833348 miles29,304 ft141 miles764 ft
      54,4444500
      Hike2,008796 miles66,463 ft317 miles1,263 ft
      18211,304357,452
      Trail Running1,993794 miles66,358 ft316 miles1,263 ft
      4511,306304,789
      Dirtbike/Moto6118 miles1,680 ft8 miles469 ft
      1,795161
      Observed Trials92 miles184 ft3,845 ft305 ft
      1361
      Snowmobile123 miles164 ft4,642 ft604 ft
      3316
      Snowshoe1,446587 miles51,946 ft235 miles1,237 ft
      3,6468254
      Downhill Ski22,159 ft66 ft1,457 ft184 ft
      17102
      Backcountry Ski4012 miles1,414 ft5 miles787 ft
      3291162
      Nordic Ski1,139475 miles42,812 ft190 miles1,191 ft
      3,4285636
      • By WillieJacobszTF Pro Trailforks & contributors
      • Admins: NEMBAEXEC, BCT, JimBallantyne, brucerioux, pjahnige, mappermook, BVNEMBA Region, BVNEMBA Admins
      • #23082 - 8,370 views

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