more stats
906 ft
Distance
-132 ft
Descent
00:01:43
Avg time
-132 ft
Altitude change
1,253 ft
Altitude min
1,385 ft
Altitude max
1,385 ft
Altitude start
1,253 ft
Altitude end
-14.5%
Grade
-28.7%
Grade max
-2.7%
Grade min
883 ft
Distance down
23 ft
Distance flat
00:01:43
Avg time

Thunder Cliffs Details

  • Activities
    • Mountain Bike
  • Riding Area
    Thunder Mountain Bike Park
    Charlemont, Massachusetts
  • Difficulty Rating
  • Voted Difficulty
    Black Diamond (1 vote)
  • Local Popularity
    75 in Mountain Biking
  • Global Ranking
    #2061 in Mountain Biking
  • Trail Type
    Singletrack
  • Bike Type
    DH, AM
  • Direction
    Downhill Only
    Popular Direction Shown
  • Trail Visibility
    Sometimes hard to follow
  • eBike Allowed
  • TTFs on Trail
    Rock Face
  • Land Owner
    Jon Schaefer

No community description for Thunder Cliffs trail has been added yet!

AI Generated Description

Thunder Cliffs is a highly rated 906 ft popular black diamond difficulty singletrack trail located near Charlemont Massachusetts. This mountain bike only trail can be used downhill only. It features rock face. Trail visibility is sometimes hard to follow. On average it takes 1 minutes to complete this trail.

Bike Park

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 15 rides
  • 25 miles average
6 Months
  • 51 rides
  • 28 miles avg distance
All
  • 1,236 rides
  •  
c1c2c3c4
January
February
March
April
May
June
July
August
September
October
November
December
update trails status or condition

Thunder Cliffs Trail Reports

Status:
on Jun 7, 2026
Ideal
Avg: 4.13 (9 votes)
Your vote: 0

view (15,823)
close
3D
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
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
cell carrier legend

Radar Time
Activity Recordings
Trailforks uses anonymized public activity data. ?
Activity Recordings
Trailforks uses anonymized public activity data. ?
Personal Heatmap
Activity Types
all / none
Options
2
Date range month
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
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.
BC Backroad Status

Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.

map legend
Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with no bike usage.
Enable
Suggested Layers
Based on selected activity type

    Save the current map location and zoom level as your default home location whenever this page is loaded.

    Save
        Directions to thunder-cliffs trailhead (42.613990, -72.872480)

        Photos

        2 more »
        53 |
        Jul 24, 2025 @ 9:11am
        Jul 24, 2025
        452 |
        May 30, 2016 @ 1:13pm
        May 30, 2016

        Videos

        3 more »
        Maxxis ESC Enduro Series // Final Round //...
        7:24 | 217 | Oct 31, 2022 , Charlemont
        My Favorite Tech || Thunder Mountain Bike Park
        7:08 | 1028 | Aug 14, 2021 , Charlemont
        Back of Shack  to Thunder Cliffs
        2:14 | 184 | Sep 6, 2016 , Charlemont

        Trail Lists

        Reviews / Comments

        No reviews yet, be the first to write a review or ask a question.
        Use trail reports to comment on trail conditions.


        We hope you've been enjoying Trailforks!

        Create a FREE account to view trail comments and much more.

        • By Jdam149 & contributors
        • #34049 - 3,311 views

        Frequently Asked Questions About Thunder Cliffs

        Where is Thunder Cliffs located?
        Thunder Cliffs is located in Thunder Mountain Bike Park, Charlemont, Massachusetts, United States. It is part of the Thunder Mountain Bike Park trail network. The trailhead is located at coordinates 42.61399, -72.87248.
        How hard is Thunder Cliffs?
        Thunder Cliffs is rated as Black Diamond difficulty. The average grade is 14.5%.
        What is the elevation gain for Thunder Cliffs?
        The trail has 132 ft of elevation descent. The elevation ranges from 1,253 ft to 1,385 ft.
        Is Thunder Cliffs a point to point trail?
        Yes, Thunder Cliffs is a point to point trail. The direction is Downhill Only. The trail type is singletrack.

        Hit the Trail

        Open in App

        Get this trail on your phone instantly.
        open trail in app

        Download Trail

        Save to wishlist, Garmin & download.
        save the trail

        Find Related Routes

        Find routes and users activities that include this trail.
        find routes for this trail

        You must enter a description before submitting.