A large red maple swamp that forms the wetland core of the Farnsworth Reservation trail complex; historically a subsistence area for Indigenous peoples, now a wildlife haven crossed by the same boardwalked loop trail that starts at South Bradford Street.
What to expect
Trails
Shares the 1.3-mile boardwalked loop trail that begins at South Bradford Street as part of the Farnsworth Reservation trail network.
Entry fee
None; free public preserve. checked Jul 15, 2026
Birdwatching
Allowed spring
Managed by
Essex County Greenbelt Association
978-768-7241 · WebsiteCommon questions
Is there an entry fee at Purgatory Swamp Conservation Area?
None; free public preserve.