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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.
  • most popular
  • 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
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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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      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 Jun 7, 2024
      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
      1,209 ft
      Total Vertical
      250 ft
      Highest Trailhead
      777 ft
      Reports
      54
      Photos
      32
      Ridden Counter
      1,961

      Photos of Northfield Brook Lake (NBL) Mountain Bike

      112 |
      Apr 4, 2021 @ 5:19am
      Apr 4, 2021
      71 |
      Nov 24, 2020 @ 12:35pm
      Nov 24, 2020
      61 |
      Nov 24, 2020 @ 12:35pm
      Nov 24, 2020
      62 |
      Nov 24, 2020 @ 12:35pm
      Nov 24, 2020
      43 |
      Nov 24, 2020 @ 12:34pm
      Nov 24, 2020
      48 |
      Nov 24, 2020 @ 12:34pm
      Nov 24, 2020
      49 |
      Nov 24, 2020 @ 12:34pm
      Nov 24, 2020
      56 |
      Nov 24, 2020 @ 12:34pm
      Nov 24, 2020

      Videos of Northfield Brook Lake (NBL) Mountain Bike

      Exploring Goat Path, a Beginner Mountain...
      1:46 | 93 | Feb 22, 2023 , Thomaston
      Join the Adventure: NEMBA Group MTB Ride at...

      2:49 | 76 | Feb 15, 2023
      Northfield Brook Lake (NBL) 'Part 2' | CT...

      18:25 | 54 | Nov 9, 2022
      Northfield Brook Lake (NBL) | CT Mountain Biking

      15:04 | 62 | Nov 9, 2022

      Recent Trail Reports

      Activity Feed

      usernameactiontypetitledate
      GYanoskyaddreportactivity #53754186 and 4 more
      Jun 7, 2024 @ 5:16am
      Jun 7, 2024
      nicotsmith1wishlistregionactivity #51621804
      Apr 24, 2024 @ 4:32am
      Apr 24, 2024
      Frakeewishlisttrailactivity #51605212
      Apr 23, 2024 @ 6:58pm
      Apr 23, 2024
      SportPsychwishlistregionactivity #51580043
      Apr 23, 2024 @ 6:34am
      Apr 23, 2024
      GregXqZYoZwishlistregionactivity #46196984
      Nov 11, 2023 @ 1:29pm
      Nov 11, 2023

      Recent Comments

      usernametypetitlecommentdate
      GYanoskytrailAnts (orange blaze)NBL crew are doing an epic job on this trail....
      Oct 10, 2023 @ 4:51am
      Oct 10, 2023
      cguidottitrailD. Whiz (blue blaze)Muddy in the pines, but otherwise very rideable
      Apr 3, 2021 @ 2:52pm
      Apr 3, 2021

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike187 miles1,207 ft3 miles249 ft
      #3,459#1,71032541,595
      Hike197 miles1,207 ft3 miles249 ft
      #2,744#1,5475425
      Trail Running197 miles1,207 ft3 miles249 ft
      #2,749#1,548549
      • By nblgreg NorthfieldBL & contributors
      • Admins: NorthfieldBL
      • #39799 - 5,955 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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