A Cambridge-owned drinking-water reservoir and surrounding woods; the reservation itself is closed to the public, but you can reach its edge trails through the town's adjoining Cranberry Hill conservation land behind the Cranberry Hill office park off Massachusetts Avenue.
What to expect
Parking
Not confirmed · unconfirmed
Dogs
On the connecting Cranberry Hill trails, standard Lexington conservation-land leash rules apply: max 2 dogs per person, leash or voice/sight control, waste must be bagged
Hours
Conservation land generally closes 30 min after sunset to 30 min before sunrise; direct reservoir access is closed year-round
Birdwatching
Allowed year-round
Managed by
Lexington Conservation Division (trail access only)
781-862-0500 · WebsiteGetting in
Parking
Parking not sourced yet
Check the town or agency pages before you go.
Common questions
Can I swim or fish in the reservoir?
No, it is a closed drinking-water supply and the reservation is not open to the public; only the surrounding Cranberry Hill trails are accessible.
Is there an entry fee at Hobbs Brook Reservoir Conservation Area?
No, entry is free.
Can I bring my dog to Hobbs Brook Reservoir Conservation Area?
On the connecting Cranberry Hill trails, standard Lexington conservation-land leash rules apply: max 2 dogs per person, leash or voice/sight control, waste must be bagged
What rules should I know at Hobbs Brook Reservoir Conservation Area?
The Hobbs Brook Reservation property itself (65 acres, 1.7 miles of trail) is closed to the public; only the connecting Cranberry Hill/utility-corridor trails are open.