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Great Hill Conservation Area

Open to the publicPreserve · Acton, MA · South of Massachusetts AvenueUpdated Nov 6, 2026
Right now

At 350 feet, this is Acton's highest point, a rocky and hilly 2-mile loop between Kelley's Corner and South Acton Center with a small pond used by neighborhood dogs, winter skaters, and summer anglers. Multiple bridge crossings and six separate access points make it easy to string together a short or long walk.

What to expect

Trails
2.0-mile loop, mostly hilly and quite rocky with occasional wet ground in the north; multiple bridge crossings
Entry fee
Free
Dogs
Dogs must be controlled at all times; the small pond is a popular local dog exercise spot, and waste must be picked up at the recreation field and on trails
Hours
One hour before sunrise to one hour after sunset
Accessibility
Hilly, rocky terrain is not accessible-graded.
Fishing
Allowed summer
Ice-Skating
Allowed winter, weather permitting
Managed by
Acton Conservation Division (978) 929-6634 · Website

What's here

On site

Info kiosk
kiosks at the fire station entrance and the Main Street/Prospect Street entrance

Not here

No drinking water

Worth knowing

  • At 350 feet, this is the highest point in Acton.

Common questions

Is Great Hill Conservation Area open today?
Great Hill Conservation Area is a public preserve in Acton, MA. Posted hours: One hour before sunrise to one hour after sunset.
Can I skate on the pond?
Locals do in winter when it freezes solid, but there is no official ice safety monitoring, so check thickness yourself.
Is there an entry fee at Great Hill Conservation Area?
No, entry is free.
Can I bring my dog to Great Hill Conservation Area?
Dogs must be controlled at all times; the small pond is a popular local dog exercise spot, and waste must be picked up at the recreation field and on trails
Is Great Hill Conservation Area wheelchair accessible?
Hilly, rocky terrain is not accessible-graded.
What rules should I know at Great Hill Conservation Area?
Trail is hilly and quite rocky in most sections. Alcohol prohibited.

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Nearby preserves & forests

More in Acton

Parks (10) · Playgrounds (2) · Ponds (2) · Boat & kayak launches (1) · Campgrounds (1) · Dog parks (1)

BetaDetails are sourced from public agency data and can change through the season. Confirm locally before you go. Updated 2026-11-06.