Annual Celebration
Sep 12, 3:00 PM – 6:00 PM
Hale Reservation,
80 Carby St, Westwood, MA 02090, USA
We can't wait to see you!
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Stormwater Spotlight: Greater Boston

Three local experts explain how their organizations are tackling stormwater,


Thanks to Mystic River Watershed Association​, Charles River Watershed Association, Neponset River Watershed Association, and Greater Boston Trout Unlimited.

Q&A from this event >>

Read more on how stormwater impacts our rivers >>

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Lobby for the Rivers Day

2021 was our largest lobby for the rivers day yet, over 150 river advocates met with their legislators to talk about pressing environmental issues. Thank you to all who participated!

See highlights >>

Visit our Advocacy Toolkit to hone your skills >>


Last fall, Mass Rivers teamed up with 5 local artists to hear how they incorporate environmental themes into their work. 

See the Fall 2020 event line up & conversations >>

Mass Rivers Connects

Mass Rivers organizes recurring calls for professionals in our member organizations to talk to others in the same role - whether that be scientists, executive directors, fundraisers, or others - to increase knowledge sharing and best practices among our community of practice. 

These are spaces to learn, share, and stay connected while we're all shifting to remote work and life. 

If your organization would like to be involved, contact Julia (