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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
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
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Only show trails with NO bikes.
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      Welcome to Thunder Mountain Bike Park, New England’s fastest growing bike park. Thunder Mountain Bike Park provides a progression bike trail system to take the first time downhill mountain bike rider and convert them for life.

      This guide includes some useful safety and guide information for experts and the first time rider alike.
      For the first time rider, the marketing of downhill mountain biking can be intimidating, with all of the gear, jumps, dirt and aggressive imagery, but at Thunder Mountain Bike Park we have partnered with some of the best trail builders in the world to bring you a progression park where you can fall in love with this wonderful sport.

      Our team friendly team trail staff, guides, and operators will help give you a wonderful intro to the sport.

      In the winter, this mountain changes names to Berkshire East Mountain Resort, and offers the best downhill skiing in Massachusetts. Winter map features will be gradually added to Trail Forks.
      Primary Trail Type: All-Mountain & Downhill
      eBikes Allowed: No
      Parking google parking directions
      Access Info:
      Tickets may be purchased in our Main Lodge at Customer Service or the outside Ticket Window on weekends. All bikers must sign a waiver prior to receiving their ticket. Bike rentals and our bike shop are located on the main floor of the main lodge. After filling out your waiver, your can get your tickets, bike rentals and gear rentals directly from the rental department. If you have your own equipment, you’ll just need to sign the waiver, buy your lift ticket and head to the lift.
      Links
      Activities Click to view
      Bike Park Details
      • 2
      • 1
      • 17
      • 7
      • 4
      • 1

      Region Status
      Open as of Jun 11, 2021
      Day Ticket
      $45 USD
      Uplift Type
      Chair Lift

      Stats

      Avg Trail Rating
      Trails (view details)
      41
      Trails Mountain Bike
      32
      Trails E-Bike
      1
      Trails Hike
      1
      Trails Trail Running
      1
      Trails Snowshoe
      1
      Trails Downhill Ski
      19
      Trails Backcountry Ski
      1
      Trails Nordic Ski
      1
      Total Distance
      26 miles
      Total Descent
      12,535 ft
      Total Vertical
      972 ft
      Highest Trailhead
      1,542 ft
      Reports
      537
      Photos
      112
      Ridden Counter
      17,577

      Outside+ Logo Articles

      Race Report & Video: Maxxis ESC Specialized Enduro Finals & EWS Qualifier - Thunder Mountain, MA
      Oct 10, 2019 from pinkbike.com
      A classic New England venue hosts the final ESC of 2019

      Popular Thunder Mountain Bike Park / Berkshire East Mountain Resort Trails

      Recent Ride Log Activity in Region

      Today
      • 0 rides
      Yesterday
      • 0 rides
      Past Week
      • 2 rides

      Photos of Thunder Mountain Bike Park / Berkshire East Mountain Resort Mountain Bike

      trail: Fort Hill
      132 |
      Dec 1, 2021 @ 8:32am
      Dec 1, 2021
      | 1 comments
      trail: Fort Hill
      129 |
      Dec 1, 2021 @ 7:55am
      Dec 1, 2021
      trail: Fort Hill
      111 |
      Dec 1, 2021 @ 7:55am
      Dec 1, 2021
      trail: Fort Hill
      234 |
      Dec 1, 2021 @ 7:54am
      Dec 1, 2021
      trail: Fort Hill
      223 |
      Dec 1, 2021 @ 7:54am
      Dec 1, 2021
      | 1 comments
      trail: Fort Hill
      93 |
      Jul 2, 2020 @ 6:14pm
      Jul 2, 2020
      trail: Hawleywood
      274 |
      Jan 29, 2019 @ 3:18pm
      Jan 29, 2019
      trail: Hawleywood
      349 |
      Jan 29, 2019 @ 3:17pm
      Jan 29, 2019

      Videos of Thunder Mountain Bike Park / Berkshire East Mountain Resort Mountain Bike

      One Footer to Sack
      trail: The Gronk
      19 | Mar 6, 2022
      Fun at Thunder 2021-9-18
      trail: Hawleywood
      185 | Sep 25, 2021
      A Father and his 9yr old Son ride The Gronk
      trail: The Gronk
      160 | Sep 21, 2021
      Thunder Mountain, Fort Hill Flip
      trail: Fort Hill
      116 | Sep 15, 2021
      Fort Hill Flip Crash POV
      trail: Fort Hill
      78 | Sep 15, 2021
      Fort Hill Flip Crash follow
      trail: Fort Hill
      75 | Sep 15, 2021
      forthill 2020-2021
      trail: Fort Hill
      | Sep 14, 2021
      forthill 2020-2021
      trail: Fort Hill
      | Sep 14, 2021

      Recent Trail Reports

      statustraildateconditioninfouser
      Wilderness Brook
      Oct 20, 2021 @ 5:13am
      Oct 20, 2021
      Drytreejoeymagin16
      Back of the Shack
      Oct 10, 2021 @ 11:56am
      Oct 10, 2021
      DryHorse Huntert009
      Summit Quad
      Oct 8, 2021 @ 7:50am
      Oct 8, 2021
      Very DryRabbiOfRhythms BVNEMBA CSP
      Blue Pulaski
      Oct 8, 2021 @ 7:50am
      Oct 8, 2021
      IdealRabbiOfRhythms BVNEMBA CSP
      Harold's Blend
      Oct 8, 2021 @ 7:50am
      Oct 8, 2021
      VariableRabbiOfRhythms BVNEMBA CSP
      Sugar & Spice
      Oct 8, 2021 @ 7:50am
      Oct 8, 2021
      IdealRabbiOfRhythms BVNEMBA CSP
      Sleeping Jake's
      Oct 8, 2021 @ 7:50am
      Oct 8, 2021
      VariableBerm just before Powder Blue has a large...RabbiOfRhythms BVNEMBA CSP
      Trillium
      Oct 8, 2021 @ 7:50am
      Oct 8, 2021
      VariableRabbiOfRhythms BVNEMBA CSP
      The Gronk
      Oct 8, 2021 @ 7:50am
      Oct 8, 2021
      IdealRabbiOfRhythms BVNEMBA CSP
      Loam Star
      Oct 8, 2021 @ 7:50am
      Oct 8, 2021
      Prevalent Mudblue part of Loamstar had a stream...RabbiOfRhythms BVNEMBA CSP

      Activity Feed

      usernameactiontypetitledate
      user #2346078BeeRAD88wishlistregionThunder Mountain Bike Park / Berkshire East Mountain Resort
      May 14, 2022 @ 6:51pm
      May 14, 2022
      user #2576170aussierider74riddentrailBack of the Shack and 6 more
      May 13, 2022 @ 10:26pm
      May 13, 2022
      user #2592000XZJRkwishlistregionThunder Mountain Bike Park / Berkshire East Mountain Resort
      May 13, 2022 @ 6:32pm
      May 13, 2022
      user #2576170aussierider74riddentrailCliff Claven and 10 more
      May 10, 2022 @ 3:34am
      May 10, 2022
      user #2245141infinoahwishlisttrailFort Hill and 1 more
      Apr 21, 2022 @ 10:12pm
      Apr 21, 2022

      Recent Comments

      usernametypetitlecommentdate
      user #2188109mappermooktrailCat and MouseTrail is unbelievably flowy and smooth at...
      Aug 26, 2021 @ 8:17pm
      Aug 26, 2021
      user #1685211helicopter-noisetrailBlue PulaskiNote: As of this season, this trail no longer...
      Jul 31, 2021 @ 6:28pm
      Jul 31, 2021
      user #1289141ihertzlertrailToo EasyOne of if not the most fun steep trail I've...
      Jun 7, 2021 @ 7:00pm
      Jun 7, 2021
      user #1685211helicopter-noisetrailSummit Quadapparently TMBP will operate "another summit...
      Jun 3, 2021 @ 2:55pm
      Jun 3, 2021
      user #1685211helicopter-noisetrailCat and Mouselate reply but I see both sugar line and...
      Jan 21, 2021 @ 6:43pm
      Jan 21, 2021

      Nearby Areas

      namedistance
      Deerfield River Trails 1 3 51.7 km
      Kenneth Dubuque State Forest 204 km
      Pelham Lake Park 6 10 65.8 km
      Catamount State Forest 2 6 17.1 km
      Savoy Mountain State Forest 28.5 km

      Local Badges

      Pinkbike Articles

      Oct 9, 2019
      Race Report &amp; Video: Maxxis ESC Specialized Enduro Finals &amp; EWS Qualifier - Thunder Mountain, MA Race Report & Video: Maxxis ESC Specialized Enduro Finals & EWS Qualifier - Thunder Mountain, MA
      A classic New England venue hosts the final ESC of 2019
      Dec 2, 2021
      Video: Laura Slavin Explores Fear Response Through Massive Sends in 'Fight or Flight' Video: Laura Slavin Explores Fear Response Through Massive Sends in 'Fight or Flight'
      Laura Slavin knows what it means to fully commit.

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike3223 miles10,738 ft20 miles971 ft
      #236#1051115165,580
      E-Bike12,536 ft46 ft1,962 ft46 ft
      4585
      Hike12,536 ft46 ft1,962 ft46 ft
      #7,19450839
      Trail Running12,536 ft46 ft1,962 ft46 ft
      #5,49450824
      Snowshoe12,536 ft46 ft1,962 ft46 ft
      11
      Downhill Ski1910 miles6,900 ft9 miles958 ft
      #1#126165
      Backcountry Ski12,536 ft46 ft1,962 ft46 ft
      111
      Nordic Ski12,536 ft46 ft1,962 ft46 ft
      11
      • By brenthillier NSMBA TRAILFORKS & contributors
      • Admins: apply
      • #9228 - 15,342 views
      • thunder mountain bike park / berkshire east mountain resort activity log | embed map of Thunder Mountain Bike Park / Berkshire East Mountain Resort mountain bike trails | thunder mountain bike park / berkshire east mountain resort mountain biking points of interest

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