A 98-acre town conservation parcel created around a marsh originally impounded by the Sudbury Rod and Gun Club to attract waterfowl, with about 0.9 miles of trails including the Old Pine Trail and Marsh to Desert Trail.
What to expect
Entry fee
You don't need a parking sticker for this spot; Sudbury's resident swim program at Sewataro and Liberty Ledge is the exception and requires online sign-up. checked Jul 24, 2026
Dogs
Must be leashed; more than 4 dogs per person requires written Conservation Commission permission
Managed by
Sudbury Conservation Commission
978-440-5471 · WebsiteWhat's here
On site
Info kiosk
Trail signs and printed guide at parking area
Common questions
Is there an entry fee at Hop Brook Marsh Conservation Land?
You don't need a parking sticker for this spot; Sudbury's resident swim program at Sewataro and Liberty Ledge is the exception and requires online sign-up.
Can I bring my dog to Hop Brook Marsh Conservation Land?
Must be leashed; more than 4 dogs per person requires written Conservation Commission permission
What rules should I know at Hop Brook Marsh Conservation Land?
No hunting within 500 feet of dwellings or 150 feet of roads.