BermOpen in App
Get this trail on your phone instantly.
more stats
1.7 miles
Distance
147 ft
Climb
-155 ft
Descent
00:16:06
Avg time
-8 ft
Altitude change
494 ft
Altitude min
564 ft
Altitude max
502 ft
Altitude start
495 ft
Altitude end
-0.1%
Grade
-16%
Grade max
11.7%
Grade min
3,533 ft
Distance climb
3,694 ft
Distance down
1,883 ft
Distance flat
00:16:06
Avg time
Thunderdome Details
-
Activities
- Mountain Bike
- Hike
- Trail Running
-
Riding AreaRockland Preserve
Madison, Connecticut -
Difficulty Rating
-
Local Popularity100 in Mountain Biking [+]
- 85 in Trail Running
- 65 in Hiking
-
Global Ranking
-
State Ranking
-
Blaze Color
-
Trail TypeSingletrack
-
Dogs AllowedYes
-
eBike Allowed
No community description for Thunderdome trail has been added yet!
AI Generated Description
Thunderdome is a highly rated 2 mile popular blue difficulty singletrack trail located near Madison Connecticut. It has jumps, drops and berms. This mountain bike primary trail. On average it takes 16 minutes to complete this trail.
Local Trail Association
-
-
-
Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 10 rides
- 11 miles average
6 Months
- 216 rides
- 10 miles avg distance
All
- 2,063 rides
- Last: Oct 29, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Thunderdome Trail Reports
more »
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 activity logs 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 users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs 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 activity logs 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 activities = more kinetic energy = warmer colors.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
?
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 users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
![map legend]()
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.
Slope Aspect
Direction the slope faces
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
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 thunderdome trailhead
(41.427970, -72.657070)
Photos
8 more »
Videos
2 more »
mtb
7:15 |
156 |
Jul 21, 2024 , Madison
Routes with this trail
★ 5.0 • 18 miles • 1,823 ft • 20 • Loop •
Advanced Rockland loop from the Rt.79 lot with Northern Exposure.
★ 5.0 • 17 miles • 1,759 ft • 34 •
This epic ride ties in many of the great parts of Rockland in this 17 miler. 4 climbs to the Summit area...
jgrace78
This trail has alot of character. Looking forward to taking another run at it some time soon.
Rider51
Very popular trail for good reason. Along with Rishi, Mary’s Ghost, Dirt Church, and the East Loop you could ride here for hours building skills and having fun, as all are intricate and only moderately technical.
We hope you've been enjoying Trailforks!
Create a FREE account to view all trail reviews and much more.
Nearby Trails
- Green Spur 66 ft
- Summit Handle 243 ft
- Beyond Thunderdome 610 ft
- Cold Feet 610 ft
- Con Experto 810 ft
- By brenthillier
NSMBA TRAILFORKS & contributors - #4030 - 4,644 views
- Follow/Subscribe
- login to download gpx or kml files.
Hit the Trail
Download Trail
Save to wishlist, Garmin & download.
Find Related Routes
Find routes and users activities that include this trail.
You must enter a description before submitting.