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Sudbury, Assabet, and Concord Rivers_met

Towns in the Sudbury River Watershed:

  • Ashland

  • Concord

  • Framingham

  • Hopkinton

  • Hudson

  • Lincoln

  • Marlborough

  • Natick

  • Northborough

  • Sherborn

  • Southborough

  • Sudbury

  • Wayland

  • Westborough

  • Weston

Major Tributaries:

  • Whitehall Brook
  • Indian Brook

  • Rutters Brook

  • Hop Brook

  • Trout Brook

  • Cranberry Brook

  • Wash Brook

  • Pantry Brook

  • Pine Brook

  • Eames Brook

Learn More

Environmental Concerns for the Sudbury


  • One big environmental concern for the Sudbury River is invasive Water Chestnut (Trapa natans). OARS holds annual plant-pulling events to diminish the impacts of this habitat-destroying water plant.
  • Nutrient concentrations are generally below threshold for eutrophication. Dissolved Oxygen (DO) levels should be above 5.0 mg/L for Class B standards, in order to fully support aquatic life. The Sudbury River has historically had low DO levels (3.0 mg/L), but it has met the minimum standard in recent years.




Additional Facts


Did You Know?

  • During the Industrial Revolution, several dams and millponds were built to facilitate operation and for hydropower.
  • Usage of the Sudbury River by Native Americans make many of its banks rich archaeological sites.
  • Various towns along the Sudbury were used as sites to store weapons during the American Revolutionary War.





Sudbury River Activities
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Swimming
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Walk, Hike, Bike
Paddling
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Boating & Sailing
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Fishing
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Swimming

 

Although some people swim in the Sudbury river, the water quality does not meet the state standard, therefore we do not advise swimming.

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Walking, Hiking, Biking

 

Walking, hiking, and biking locations:

 

 

Birds along the Sudbury River:

  • Bald eagles, heron, downy woodpecker, gray catbird, great crested flycatcher, and more. More information >>

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Paddling

 

​You can kayak, canoe, and paddleboard on this river. The entire Wild and Scenic section, from the Saxonville Dam in Framingham to Egg Rock in Concord is navigable by canoe, kayak, and paddleboard. 

See these Recreation Maps from OARS. (Hard copies available by request)

 

Here are some suggested trips:

  • From Little Farms Road → Route 27: Water can be quick moving in upper sections. Notable sights include the Old Stone Bridge and the entrance to Great Meadows National Wildlife Refuge. At the end of this section, the river opens to wide meadows with many water birds. 

  • Route 27 → Route 117 Boat Launch: Open and slow moving, passing open land. Can stop at the headquarters of Great Meadows National Wildlife Refuge to stretch legs. 

  • Route 117 Boat Launch → Eggrock: Shifts from Fairhaven Bay, a beautiful rural area of the river, to a more developed section, running under Route 2. Route concludes at Old Calf Pasture, at the confluence of the Sudbury and Assabet Rivers.  

Additional guides:

  • The AMC Quiet Water Canoe Guide on AMC's Website or local bookstores. 

  • The Concord, Sudbury, and Assabet Rivers: A guide to canoeing, wildlife and history. By Ron McAdow. Boater's Guide.

Put ins and Parking:

  • River Road (Wayland). After turning off route 27, there is a small access point almost immediately on the left.

    • Parking for 1-2 cars. 

 

  • Off Fruit Street just left of the Southborough Rod & Gun entrance (Hopkinton). In the spring, it is possible to travel upstream to Cedar Swamp.

    • Near the access road end, there is room for 6+ cars.

  • Along High Street right across from the Ashland MBTA station (Ashland)

    • parking lot for over 20 cars. It is possible for canoes and kayaks to travel short trips upstream. 

To rent canoes and kayaks: 

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Boating & Sailing

 

Please share any boating or sailing information so we may add it here. 

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Fishing

 

You can fish on the river, but it is advised to follow a catch and release policy, meaning you cannot eat the fish. For tips on following this policy, visit this website. For information from the MA department of Public Health, click here. For updated levels of mercury contamination, click here.

Fishing locations (see hookandbullet.com for a map of these locations​​):

  • Dungan Brook (Concord)

  • Fairhaven Bay (Concord). For directions, click here.

  • Pantry Brook (Sudbury). For directions, click here.

  • Walden Pond (Concord). Includes walking trails swimming. For directions, click here. Parking available on-site​.

  • Egg Rock (Concord). For directions, click here.