A small, roughly 1.2-acre town-built swimming pond on Green Street that has served as Medfield's designated public swimming spot for more than 50 years, with a beach area, swim lessons and a swim team. It operates on a seasonal, resident-pass, lifeguard-hours basis rather than as an open-access pond.
What to expect
Entry fee
Not free walk-up; a seasonal resident pass is mandatory for Summer 2026, purchased at the Parks and Recreation office
Dogs
Dogs strictly prohibited
Hours
Monday-Friday 11am-6pm during the open season; closed weekends and outside lifeguard hours
Swim
Allowed summer, lifeguard hours, resident pass required
Managed by
Medfield Park & Recreation
508-359-4003 · WebsiteWhat's here
On site
Changing rooms
Historically a snack shack/changing facility
Restrooms
Snack shack/changing area historically associated with the pond; current facility state not itemized on the town page
Common questions
Is Hinkley Pond open to non-residents?
For Summer 2026 it is resident-only with a mandatory seasonal pass; walk-ups without a pass are not permitted.
Can I bring my dog to Hinkley Pond?
Dogs are strictly prohibited at Hinkley, along with McCarthy and Metacomet parks.
Is there an entry fee at Hinkley Pond?
Yes, Not free walk-up; a seasonal resident pass is mandatory for Summer 2026, purchased at the Parks and Recreation office
Can I bring my dog to Hinkley Pond?
Dogs strictly prohibited
What rules should I know at Hinkley Pond?
Pond receives copper-based algae/weed treatments roughly every 2-3 weeks, applied after 6pm; the town advises waiting up to 12 hours after treatment before swimming, even though it is considered technically safe sooner. Dogs strictly prohibited. No swimming permitted when lifeguards are off duty.