Recreation

Discover the natural beauty and outdoor adventure waiting for you in the Sudbury, Assabet, and Concord rivers and their surrounding watershed. Flowing through historic towns, lush wetlands, and protected wildlife habitats, these rivers offer a peaceful escape for paddlers, anglers, hikers, and nature lovers. Whether you’re looking for a serene paddle, a family-friendly river walk, or a new way to connect with nature, the SuAsCo rivers have something for everyone.

Click To View

Discover the beauty of the Sudbury, Assabet, and Concord rivers with our detailed river maps! Whether planning a paddle, a hike along the shoreline, or a scenic outing, these maps provide everything you need to navigate and enjoy the watershed.

Each map highlights key features such as access points, dams, portages, and nearby amenities, with GPS-compatible details to help you plan your adventure.

Ready to dive in? Visit our River Maps page to explore or download maps tailored to your journey.

Click To View

Want to paddle more, explore more, and connect more with your local rivers? OARS’ Now That’s Paddling! initiative offers a range of experiences for paddlers of all levels. Whether you’re setting out to complete the 86 Miles Club, joining a group paddle, or leading a cleanup as a River RAT, there’s a way for everyone to get involved.

Find your next river adventure and become a part of this growing community of river enthusiasts!

Need gear? These locations offer rentals for your next adventure:

South Bridge Boat House

Located in Concord, offering easy access to serene paddling routes

Ice House Landing Kayak Rental Station

Town of Maynard’s convenient kayak rental station

Natick Boathouse

Perfect for exploring Cochituate State Park Lake

Hopkinton State Park Reservoir
A picturesque spot for beginners and families

Concord River Rafting Trip
Seasonal, early spring whitewater rafting on the Concord River

Upcoming events.

Explore our opportunities and get involved!

SEE WHAT’S HAPPENING

GET INVOLVED

OARS depends on YOU to keep our rivers clean and protected. Check out the many different ways you can get involved

EXPLORE HOW YOU CAN HELP

OUR RIVERS

Learn more about the three rivers that bring our the SuAsCo watershed and our community to life

THE SuAsCO RIVERS

PHOTOGRAPHY

Explore our vibrant photo galleries and relive the moments from OARS events and our community photographers' stunning captures

VIEW PHOTO GALLERY

OUR WATERSHED

Learn about the SuAsCo watershed and communities it covers

THE SuAsCo WATERSHED

DONATE

Help ensure the health and resilience of our three Rivers for future generations by giving a today, work depends on you!

GIVE TODAY

~30%

of the SuAsCo rivers watershed is wetlands, crucial for wildlife habitat and water quality

~30%

of water samples in the SuAsCo rivers watershed contain PFAS, leading to increased monitoring and remediation by local authorities and environmental groups

~70%

of dams in the SuAsCo watershed are over a century old, requiring extensive upkeep and presenting obstacles to river restoration and fish passage

>40%

of the land within the watershed is publicly accessible, offering recreational opportunities such as hiking, boating, and birdwatching to the community

~15%

of the land in the SuAsCo rivers watershed is covered by impervious surfaces such as roads, rooftops, and parking lots. This contributes to stormwater runoff and water pollution issues

>40%

of the land within the Sudbury, Assabet, and Concord rivers watershed is publicly accessible, providing endless opportunities for paddling, hiking, and wildlife exploration.

Recreation

Recreation on the Sudbury, Assabet, & Concord Rivers

RIVER RECREATION MAPS

Explore Our 3 Rivers

NOW THAT'S PADDLING