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Sudbury, Assabet, and Concord Rivers watershed map

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

  • Deputy Director for Policy
    Mass Rivers is currently seeking a Deputy Director of Policy. Please click here for a detailed job description and instructions for how to apply.
Sudbury River Activities
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Walk, Hike, Bike
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Boating & Sailing
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Certain sections of this river are swimmable! The Wild & Scenic sections of the Sudbury and Concord rivers do meet swimming standards based on monitored bacteria levels, while other sections do not. To see more specific and updated water quality reports that can help determine swimming safety, click here

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Walking, Hiking, Biking

Hike, Walk, Run

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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​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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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 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.

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