close
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.
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
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.
Only show trails with NO bikes.
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.
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.
source: Thunder Mountain Bike Park
Primary Trail Type: All-Mountain & Downhill
eBikes Allowed:
No

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
- Mountain Bike
32 trails
- Hike
1 trails
- Trail Running
1 trails
- Downhill Ski
19 trails
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
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
Photos of Thunder Mountain Bike Park / Berkshire East Mountain Resort Mountain Bike
trail: Fort Hill
132 | | 1 comments
Dec 1, 2021 @ 8:32am
Dec 1, 2021
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 | | 1 comments
Dec 1, 2021 @ 7:54am
Dec 1, 2021
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, 2019Videos of Thunder Mountain Bike Park / Berkshire East Mountain Resort Mountain Bike
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
Wilderness Brook | Oct 20, 2021 @ 5:13am Oct 20, 2021 | Dry | joeymagin16 | ||
Back of the Shack | Oct 10, 2021 @ 11:56am Oct 10, 2021 | Dry | Huntert009 | ||
Summit Quad | Oct 8, 2021 @ 7:50am Oct 8, 2021 | Very Dry | RabbiOfRhythms BVNEMBA CSP | ||
Blue Pulaski | Oct 8, 2021 @ 7:50am Oct 8, 2021 | Ideal | RabbiOfRhythms BVNEMBA CSP | ||
Harold's Blend | Oct 8, 2021 @ 7:50am Oct 8, 2021 | Variable | RabbiOfRhythms BVNEMBA CSP | ||
Sugar & Spice | Oct 8, 2021 @ 7:50am Oct 8, 2021 | Ideal | RabbiOfRhythms BVNEMBA CSP | ||
Sleeping Jake's | Oct 8, 2021 @ 7:50am Oct 8, 2021 | Variable | RabbiOfRhythms BVNEMBA CSP | ||
Trillium | Oct 8, 2021 @ 7:50am Oct 8, 2021 | Variable | RabbiOfRhythms BVNEMBA CSP | ||
The Gronk | Oct 8, 2021 @ 7:50am Oct 8, 2021 | Ideal | RabbiOfRhythms BVNEMBA CSP | ||
Loam Star | Oct 8, 2021 @ 7:50am Oct 8, 2021 | Prevalent Mud | RabbiOfRhythms BVNEMBA CSP |
Activity Feed
username | action | type | title | date | |
---|---|---|---|---|---|
![]() | BeeRAD88 | wishlist | region | Thunder Mountain Bike Park / Berkshire East Mountain Resort | May 14, 2022 @ 6:51pm May 14, 2022 |
![]() | aussierider74 | ridden | trail | Back of the Shack and 6 more | May 13, 2022 @ 10:26pm May 13, 2022 |
![]() | XZJRk | wishlist | region | Thunder Mountain Bike Park / Berkshire East Mountain Resort | May 13, 2022 @ 6:32pm May 13, 2022 |
![]() | aussierider74 | ridden | trail | Cliff Claven and 10 more | May 10, 2022 @ 3:34am May 10, 2022 |
![]() | infinoah | wishlist | trail | Fort Hill and 1 more | Apr 21, 2022 @ 10:12pm Apr 21, 2022 |
Recent Comments
username | type | title | comment | date | |
---|---|---|---|---|---|
![]() | trail | Trail is unbelievably flowy and smooth at... | Aug 26, 2021 @ 8:17pm Aug 26, 2021 | ||
![]() | trail | Note: As of this season, this trail no longer... | Jul 31, 2021 @ 6:28pm Jul 31, 2021 | ||
![]() | trail | One of if not the most fun steep trail I've... | Jun 7, 2021 @ 7:00pm Jun 7, 2021 | ||
![]() | trail | apparently TMBP will operate "another summit... | Jun 3, 2021 @ 2:55pm Jun 3, 2021 | ||
![]() | trail | late reply but I see both sugar line and... | Jan 21, 2021 @ 6:43pm Jan 21, 2021 |
Nearby Areas
name | distance | ||||
---|---|---|---|---|---|
Deerfield River Trails | 1 | 3 | 5 | 1.7 km | |
Kenneth Dubuque State Forest | 20 | 4 km | |||
Pelham Lake Park | 6 | 10 | 6 | 5.8 km | |
Catamount State Forest | 2 | 6 | 1 | 7.1 km | |
Savoy Mountain State Forest | 2 | 8.5 km |
Local Badges
-
Completionist1 awarded
Pinkbike Articles
Oct 9, 2019

A classic New England venue hosts the final ESC of 2019
Dec 2, 2021

Laura Slavin knows what it means to fully commit.
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 32 | 23 miles | 10,738 ft | 20 miles | 971 ft | #236 | #105 | 111 | 516 | 5,580 | ||
E-Bike | 1 | 2,536 ft | 46 ft | 1,962 ft | 46 ft | 458 | 5 | |||||
Hike | 1 | 2,536 ft | 46 ft | 1,962 ft | 46 ft | #7,194 | 508 | 39 | ||||
Trail Running | 1 | 2,536 ft | 46 ft | 1,962 ft | 46 ft | #5,494 | 508 | 24 | ||||
Snowshoe | 1 | 2,536 ft | 46 ft | 1,962 ft | 46 ft | 11 | ||||||
Downhill Ski | 19 | 10 miles | 6,900 ft | 9 miles | 958 ft | #1 | #1 | 26 | 165 | |||
Backcountry Ski | 1 | 2,536 ft | 46 ft | 1,962 ft | 46 ft | 11 | 1 | |||||
Nordic Ski | 1 | 2,536 ft | 46 ft | 1,962 ft | 46 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
Downloading of trail gps tracks in kml & gpx formats is enabled for Thunder Mountain Bike Park / Berkshire East Mountain Resort.
You must login to download files.