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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
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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.
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      Northfield Brook Lake (NBL) consists of 208 acres of public land in the town of Thomaston, Connecticut. 6 miles of multi-use trails suitable for mountain biking and hiking currently exist. Local members from the Northwest Connecticut Chapter of the New England Mountain Bike Association build and maintain the trail system with support from the U.S. Army Corps of Engineers.
      Primary Trail Type: Cross-Country
      eBikes Allowed: No
      AKA: NBL
      Land Status: Military Managed
      Land Manager: U.S. Army Corps of Engineers
      NBL Dam Parking google parking directions
      Access Info:
      Access to the trail network can be found from various points within the NBL recreation area. There is a secondary parking area on Edwin Lane (small lot to the right of the athletic fields) in the Highwood Farm neighborhood, with an access trail starting from Julia Lane.
      Disclaimer:
      NBL trails are blazed, but there are currently no trail maps displayed within the area. Ride at your own risk. The trail system is multi-use. Please respect trail runners and hikers.
      Links
      Activities Click to view
      Region Details
      • 6
      • 7
      • 5

      Region Status
      Open as of Sep 3, 2020
      Local Trail Association

      Stats

      Avg Trail Rating
      Trails (view details)
      19
      Trails Mountain Bike
      18
      Trails Hike
      19
      Trails Trail Running
      19
      Total Distance
      7 miles
      Total Descent Distance
      3 miles
      Total Descent
      1,200 ft
      Total Vertical
      250 ft
      Highest Trailhead
      777 ft
      Reports
      25
      Photos
      32
      Ridden Counter
      1,606

      Photos of Northfield Brook Lake (NBL) Mountain Bike

      86 |
      Apr 4, 2021 @ 5:19am
      Apr 4, 2021
      55 |
      Nov 24, 2020 @ 12:35pm
      Nov 24, 2020
      47 |
      Nov 24, 2020 @ 12:35pm
      Nov 24, 2020
      46 |
      Nov 24, 2020 @ 12:35pm
      Nov 24, 2020
      31 |
      Nov 24, 2020 @ 12:34pm
      Nov 24, 2020
      36 |
      Nov 24, 2020 @ 12:34pm
      Nov 24, 2020
      36 |
      Nov 24, 2020 @ 12:34pm
      Nov 24, 2020
      39 |
      Nov 24, 2020 @ 12:34pm
      Nov 24, 2020

      Videos of Northfield Brook Lake (NBL) Mountain Bike

      Exploring Goat Path, a Beginner Mountain...
      1:46 | 11 | Feb 22, 2023 , Thomaston
      Join the Adventure: NEMBA Group MTB Ride at...

      2:49 | 13 | Feb 15, 2023
      Northfield Brook Lake (NBL) 'Part 2' | CT...

      18:25 | 25 | Nov 9, 2022
      Northfield Brook Lake (NBL) | CT Mountain Biking

      15:04 | 21 | Nov 9, 2022

      Recent Trail Reports

      statustraildateconditioninfouser
      Lower Yellow Trail (yellow blaze)
      Aug 24, 2022 @ 9:01am
      Aug 24, 2022
      		 VariableGYanosky
      D. Whiz (blue blaze)
      Aug 24, 2022 @ 9:01am
      Aug 24, 2022
      		 IdealGYanosky
      Elevator (blue blaze)
      Aug 24, 2022 @ 9:01am
      Aug 24, 2022
      		 IdealSome Squid destroyed the lip of the...GYanosky
      Highwood Access (green blaze)
      Jan 22, 2022 @ 9:19am
      Jan 22, 2022
      		 Snow Packedjnaidorf
      Goat Path (green blaze)
      Jan 22, 2022 @ 9:19am
      Jan 22, 2022
      		 Snow Packedjnaidorf
      Sasquatch (green blaze)
      Jan 22, 2022 @ 9:19am
      Jan 22, 2022
      		 Snow Coveredjnaidorf
      Grumpy Old Lady (blue blaze)
      Jan 22, 2022 @ 9:19am
      Jan 22, 2022
      		 Snow Packedjnaidorf
      Upper Yellow Trail (yellow blaze)
      Jan 22, 2022 @ 9:19am
      Jan 22, 2022
      		 Snow Packedjnaidorf
      Attaboy (orange blaze)
      Jan 22, 2022 @ 9:19am
      Jan 22, 2022
      		 Snow Packedjnaidorf
      Ants (orange blaze)
      Jan 22, 2022 @ 9:19am
      Jan 22, 2022
      		 Snow Packedjnaidorf

      Activity Feed

      usernameactiontypetitledate
      user #2215564nblgregaddvideoExploring Goat Path, a Beginner Mountain Biking Trail: A 3rd Person Tour
      Feb 22, 2023 @ 6:09am
      Feb 22, 2023
      user #2215564nblgregaddvideoJoin the Adventure: NEMBA Group MTB Ride at Northfield Brook Lake, Thomaston, CT
      Feb 15, 2023 @ 5:03am
      Feb 15, 2023
      user #2819956dr-robwishlistregionNorthfield Brook Lake (NBL)
      Jan 15, 2023 @ 11:28am
      Jan 15, 2023
      user #2008266PlumbBobMupdatetrailLower Yellow Trail (yellow blaze)
      Dec 4, 2022 @ 7:34pm
      Dec 4, 2022
      user #496108NEMBAbillupdateregionNorthfield Brook Lake (NBL)
      Nov 14, 2022 @ 9:39am
      Nov 14, 2022

      Recent Comments

      usernametypetitlecommentdate
      user #2411339cguidottitrailD. Whiz (blue blaze)Muddy in the pines, but otherwise very rideable
      Apr 3, 2021 @ 2:52pm
      Apr 3, 2021

      Nearby Areas

      namedistance
      Harwinton Recreation and Conservation Area 6 10 14.8 km
      White Memorial Foundation 46.6 km
      Camp Columbia State Park & Forest6.9 km
      Rockwell Park 87 km
      Sessions Woods WMA 27.3 km

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike187 miles1,201 ft3 miles249 ft
      		#5,315#2,32532251,131
      Hike197 miles1,201 ft3 miles249 ft
      		#4,441#2,1702522
      Trail Running197 miles1,201 ft3 miles249 ft
      		#4,451#2,174258
      • By nblgreg NorthfieldBL & contributors
      • Admins: NorthfieldBL
      • #39799 - 4,760 views
      • northfield brook lake (nbl) activity log | embed map of Northfield Brook Lake (NBL) mountain bike trails | northfield brook lake (nbl) mountain biking points of interest

      Downloading of trail gps tracks in kml & gpx formats is enabled for Northfield Brook Lake (NBL).
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