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Thomaston Dam

Monday, July 17, 2017

Alt Names

Naugatuck River Valley

Last Known StatusOpen

This scenic area offers a great single track loop (for motorcycles only) with about 12 miles of trail covering 800 acres of public land. There are some technical sections with ruts and some short rocky climbs with tight cutbacks, but overall nothing too bad.

The area is generally open for trail riding during the summer months and weekends are often busy. The last couple of years (2011-2012) have had delayed openings and early closures due to storm damage and downed trees, leaving a very short riding season.

During the winter, the trails are reserved for snowmobiling and cross-country skiing. Although some parts of the trail are fairly wide, ATVs and quads are not permitted. There is no camping on site but the day use area has picnic tables, restrooms, and water. The nearby model aircraft flying field also has tables and BBQ grills.

This area may close on short notice during and after inclement weather, so call first before heading out.

Camping: Black Rock State Park (Watertown) (860) 283-8088 Taylor Brook Campground at Burr Pond State Park (Torrington) (860) 379-0712

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***ANNOUNCEMENTS*** (July 2017)

Dam Fun Ride - Rain or Shine!

The Pathfinders Motorcycle Club will be hosting a trail ride on Sunday, July 30. NETRA membership is required which can be purchased on site. Signups begin at 8am. For more information visit www.pathfindersmc.org or call (508) 306-1410.

Dam Good Harescramble - Youth Only

A harescramble is scheduled for Saturday, August 19. For more information visit www.pathfindersmc.org or call (508) 306-1410.

Dam Good Hare Scrambles

A hare scramble is scheduled for Sunday, August 20. Gates open at 7am with racing begninning around 9am. Cost for minis A/B, big wheel and girls are $35 and $45 for novice, big bikes and pro/amateur classes. NETRA membership is required and can be purchased onsite. For more information visit www.pathfindersmc.org or call (508) 306-1410.


Nearest CityThomaston, CT
Address331 Hill Road, Thomaston, CT 06787
Go Back To Connecticut List
Street Map
Trail MapGo To Trail Map
From: Waterbury, CT
1) Take Route 8 north to exit 39
2) Turn left (west) off the ramp onto East Main Street
3) At the traffic light, turn right (north) onto North Main Street
4) Continue about 1 mile then turn right (northeast) on Route 222 (Hill Road)
5) Entrance is about 0.5 mile on the left (look for signs)
6) Cross the dam to the main staging area.


LandArmy Corps of Engineers


Prosmotorcycles only, one-way single track throughout, great views, some short sections of good technical stuff
Consdam sometimes closed, no ATVs or quads, no camping
Our RatingRatingVery Good    
Recommended StayFull Day
Comments(Scroll Down For Visitor Reviews & Comments)


Square Miles1
Miles Of Trail12
Climate TypeForest
Elevation400 to 700 ft.
Trail MaintenanceMarked, Not Rated, Lightly Maintained
Loose DirtThis trail has some loose dirt.Some
Hard PackThe trail has some hard pack terrain.Some
SandThis trail has little sandy areas.Little
MudThe trail has some mud after it rains.Some
DustThe trail has some dust on typical days.Some
RocksThis trail has some rocks.Some
TreesThe trail has many trees.Many
Steep HillsThis trail has no steep hills.None
Water CrossingsThe trail has few water crossings.Few
Small JumpsThis trail has few small jumps.Few
Large JumpsThis trail has no large jumps.None
BermsThe trail has some berms.Some
Sand/Gravel PitsThis USACE land has no sand or gravel pits.None
Single TrackThis USACE land has many single track trails.Many
RoadsThis USACE land has few roads.Few
IntersectionsThis trail has some intersections.Some
Rider TrafficThe USACE land has many rider traffic on typical days.Many
ShadeThis USACE land has some shaded areas.Some
Ranges/GunfireThis USACE land has no shooting ranges or gunfire.None
HazardsThis trail has few hazards.Few(hazards not marked)
Easy Terrain NoviceThis trail has little beginner terrain.Little
Moderate Terrain AmateurThis trail has mostly intermediate level terrain.Mostly
Difficult Terrain ExpertThis trail has little expert terrain.Little
CommentMostly one-way single track motorcycle trails and a couple play areas (ATVs/Quads prohibited throughout).
MX TRACK  Motocross Track
Max Engine SizeNo Maximum
Min Engine SizeNo Minimum
CommentSmall MX track with berms and whoops and two or three small (5ft) jumps


Permit RequiredYesCT All Terrain Registration required (DMV)
Dates OpenLate May through October 14 (weather and reservoir flood management operations permitting)
Spark ArrestorYesA spark arresting silencer or end cap is required for all vehicles.
CT All Terrain Registration requires spark arrestor
Noise LimitYesCT All Terrain Registration requires 'reasonable' volume
Whip FlagsNot Required
Maximum Vehicle Width
Allow Dirt Bikes, Trail Bikes and Motorcycles MotorcyclesPermittedCT All Terrain Registration required (DMV)
Allow All Terrain Vehicles / Quads / Four Wheelers ATVsProhibited
Allow Utility Terrain Vehicles, Side by Sides (SXS), RZR UTVs / SXSProhibited
Allow 4x4 Jeeps, SUVs and 4 x 4 Trucks with License Plates SUVs / Jeeps (registered)Prohibited
Dune Buggy/Sand Rail
4x4 (unregistered)
Two Strokes /
2 Cycle Engines
No Restriction
Helmets RequiredYes
BicyclesSome AreasNot Recommended
HikingSome Areas
Camping / Overnight RV Parking CampingProhibited
Campfire Restrictions CampfiresProhibited
Night RidingNo
Cross CountryProhibitedstay on designated trails
AlcoholNo Restriction
Emergency / Law EnforcementFew/PeriodicOn-Site Office/Station
Insurance*Disclaimer: RiderPlanet strongly recommends that all visitors get insurance for their ATV, UTV or motorcycle before visiting any of the locations shown on this website.
CommentOut of state registrations from NY, VT, FL and PA are honored.




First Aid First Aid5-20 Miles (S)Waterbury Hospital (203) 573-6136
Gasoline Gasoline5-20 Miles (S)Sunoco (860) 283-0239
Diesel Diesel5-20 Miles (S)Sunoco (860) 283-0239
Potable Water WaterOn SiteDay Use Area
RV Hookups RV Hookup1-5 Miles (SE)Branch Brook Campground (860) 283-8144
RV Dump Station RV Disposal1-5 Miles (SE)Branch Brook Campground (860) 283-8144
Primitive Camping Campground1-5 Miles (SE)Branch Brook Campground (860) 283-8144
Convenience Store Conv Store5-20 Miles (SE)Waterbury
Swimming Swim Area1-5 Miles (SW)Black Rock State Park (860) 424-3000
Body of Water Water BodyOn SiteNaugatuck River
Boating Launch Boat Ramp1-5 Miles (W)Nystrom's Park (860) 283-6927


Contact InfoVincent Gaultieri (Park Manager)
Army Corps of Engineers
331 Hill Road
Thomaston, CT 06787
(860) 283-5540
(978) 318-8377
Contact InfoPathfinders Motorcycle Club
P.O. Box 18
Bethany, CT 06524
(203) 516-7284


Thomaston Dam Trail Photo

Thomaston Dam Trail

A scenic view coming across the dam at the entrance...  There is a general information kiosk here, but more detailed info can be found at the trailhead.

Thomaston Dam Trail Photo

Scenic view of Thomaston Dam Trail

A look down from the road to the staging area off to the northeast side.  You can see some the trail system here.

Thomaston Dam Trail Photo

RV Trailer Staging Area and Camping at Thomaston Dam Trail

After crossing the dam you will find the main staging area is a paved loop with limited parking.  It is well maintained and has a clean restroom.

Thomaston Dam Trail Photo

RV Trailer Staging Area and Camping at Thomaston Dam Trail

Another shot of the road across the dam, entering the area...

Thomaston Dam Trail Photo

RV Trailer Staging Area and Camping at Thomaston Dam Trail

This is the trailhead or entrance point at the staging area.  The kiosk here has all of the information about motorcycles and motorized use of the trails.

Thomaston Dam Trail Photo

RV Trailer Staging Area and Camping at Thomaston Dam Trail

The park management office is located at the main entrance off Hill Rd.

Thomaston Dam Trail Photo

Scenic view at Thomaston Dam Trail

Taken from the staging area, you can just see a portion of the main access road or trailhead road through the trees.  The trails begin short after this point.

Thomaston Dam Trail Photo

A trail at Thomaston Dam Trail

An access road...

Thomaston Dam Trail Photo

Some amenities at Thomaston Dam Trail

This is the model aircraft flying field.  You can access it from the northern entrance off Hill Rd.

Thomaston Dam Trail Photo

Scenery at Thomaston Dam Trail

The single track is in the trees to the left.

Thomaston Dam Trail Photo

Scenic view at Thomaston Dam Trail

More scenery from the dam when the water is low.

Thomaston Dam Trail Photo

Thomaston Dam Trail

This is a view to the southwest from the road that crosses the dam.

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