The historic Stony Brook Mill Site around the 1600s-era gristmill on Stony Brook Road, home to Brewster's spring herring run each year from mid-March through early May. A north-side restoration project reopened part of the site to the public; the south side near the gristmill itself was still under construction as of the most recent town update.
What to expect
Trails
Short walking paths around the mill ponds and fish ladders; exact length not itemized by source.
Dogs
Dogs and other pets are not allowed on Brewster's public beaches, tidal flats, landings or public ponds between May 15 and September 15; outside that window leashed dogs are welcome and owners must clean up after them. That's the…
Hours
Brewster's ponds and conservation land are open to the public from sunrise to sunset, except for registered campers at Nickerson State Park. Posted hours at the entrance win if they differ.
Fishing
Allowed Per MassWildlife/state herring-run protections; herring themselves are protected, check current regs before fishing
Birdwatching
Allowed Year-round, best during spring herring run
Managed by
Stony Brook Mill Sites Committee / Brewster Conservation Commission
(508) 896-4546 · WebsiteWhat's here
On site
Info kiosk
Interpretive signage at the historic mill and herring run
Common questions
When is the best time to see the herring run at Stony Brook?
The alewife and blueback herring migration typically runs from mid-March through early May, with timing shifting slightly year to year based on water and air temperature.
Is there an entry fee at Stony Brook Conservation Area?
No, entry is free.
Can I bring my dog to Stony Brook Conservation Area?
Dogs and other pets are not allowed on Brewster's public beaches, tidal flats, landings or public ponds between May 15 and September 15; outside that window leashed dogs are welcome and owners must clean up after them. That's the town-wide default; watch for posted signs here.
What rules should I know at Stony Brook Conservation Area?
South side of the mill site near the gristmill was closed to the public during active construction as of the most recent town update; check current status before visiting.