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Rocky Hill Wildlife Sanctuary

Open to the publicPreserve · Groton, MAUpdated Sep 13, 2026
Right now

A 440-acre Mass Audubon sanctuary straddling the Groton-Ayer line, within a state-designated Area of Critical Environmental Concern, with rocky ledges, beaver ponds, and about three to five miles of undulating, unpaved trail.

What to expect

Trails
Roughly three to five miles of rocky, natural-surface trail over undulating terrain with a couple of large hills; foot travel only, stay on trails
Entry fee
Free
Dogs
Dog walking is not allowed at this sanctuary; service animals are permitted
Hours
Daily, dawn to dusk
Accessibility
Foot travel only; the sanctuary can accommodate powered mobility devices with a day pass arranged through the admissions office
Birdwatching
Allowed year-round, nearly 100 species recorded
Managed by
Mass Audubon (978) 464-2712 · Website

What's here

Not here

No drinking water
no facilities noted

Common questions

Is Rocky Hill Wildlife Sanctuary open today?
Rocky Hill Wildlife Sanctuary is a public preserve in Groton, MA. Posted hours: Daily, dawn to dusk.
Is there an entrance fee for Rocky Hill?
No, admission is free for all ages.
Can I bring my dog?
No, dog walking is not permitted at this sanctuary.
Is there an entry fee at Rocky Hill Wildlife Sanctuary?
No, entry is free.
Can I bring my dog to Rocky Hill Wildlife Sanctuary?
Dog walking is not allowed at this sanctuary; service animals are permitted
Is Rocky Hill Wildlife Sanctuary wheelchair accessible?
Foot travel only; the sanctuary can accommodate powered mobility devices with a day pass arranged through the admissions office
What rules should I know at Rocky Hill Wildlife Sanctuary?
No dog walking. No camping, collecting, smoking, hunting, fishing, or feeding wildlife.

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Ponds (8) · Parks (6) · Beaches (1) · Boat & kayak launches (1) · Playgrounds (1)

BetaDetails are sourced from public agency data and can change through the season. Confirm locally before you go. Updated 2026-09-13.