Rocky Hill Wildlife Sanctuary

Great Blue Heron nest at Rocky Hill Wildlife Sanctuary
Great Blue Heron

Located on the Groton-Ayer town line, Rocky Hill Wildlife Sanctuary is a land of impressive ledges, large boulders, beaver ponds, vernal pools, and extensive uninterrupted woodlands. The sanctuary lies within a state-designated Area of Critical Environmental Concern and supports moose, beavers, and porcupines, as well as nearly 100 species of birds and more than 240 plant species. 

Location: Cardinal Lane, Groton, MA 
Hours: Trails open daily, dawn to dusk

More information, property regulations, & directions >

Explore Our Trails

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Explore 3 miles of trails which lead through extensive woodlands to rocky ledges, beaver ponds, and large boulders. Learn More

Program Catalog

Programs & Classes

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Mass Audubon's nearby wildlife sanctuaries offer a wide variety of programs for all ages. There's something for everyone! Find a program >