Name Location County Region Summary Arcadia Wildlife Sanctuary Easthampton Hampshire Pioneer Valley website , operated by the Massachusetts Audubon Society , 732 acres with 5 miles of trails Arunah Hill Natural Science Center Cummington Hampshire Pioneer Valley website , 60 acres, 6 miles of trails, focus is astronomy, science and nature education Blue Hills Trailside Museum Milton Norfolk Greater Boston Operated by the Massachusetts Audubon Society , interpretive center for the 7000-acre Blue Hills Reservation state park Boston Nature Center and Wildlife Sanctuary Mattapan Suffolk Greater Boston website , 64 acres, operated by the Massachusetts Audubon Society , 2 miles of trails, located on the grounds of the old Boston State Hospital Broad Meadow Brook Conservation Center and Wildlife Sanctuary Worcester Worcester Worcester County website , 430 acres, operated by the Massachusetts Audubon Society Broadmoor Wildlife Sanctuary Natick Middlesex Greater Boston website , 854 acres with 9 miles of trails, Saltonstall Nature Center, operated by the Massachusetts Audubon Society Camp Nihan Saugus Essex North Shore 65 acres, managed by the Department of Conservation and Recreation (Massachusetts) Cape Cod Museum of Natural History Brewster Barnstable Cape Cod website , natural history exhibits, aquarium, steward of 400-plus acres of museum-owned land in Stony Brook Valley and Brewster Capen Hill Nature Sanctuary Charlton Worcester Worcester County website , 86 acres Drumlin Farm Wildlife Sanctuary Lincoln Middlesex Greater Boston website , 232 acres, operated by the Massachusetts Audubon Society Daniel Webster Wildlife Sanctuary Marshfield Plymouth Plymouth County 507 acres, operated by the Massachusetts Audubon Society , managed by North River Wildlife Sanctuary EcoTarium Worcester Worcester Worcester County Natural history and science museum, live animals, 50 acres, tree canopy, planetarium Felix Neck Wildlife Sanctuary Edgartown Dukes Martha's Vineyard website , 321 acres, operated by the Massachusetts Audubon Society on Martha's Vineyard Great Falls Discovery Center Turners Falls Franklin Pioneer Valley website , 4 acres, interpretive center for the Silvio O. Conte National Fish and Wildlife Refuge , Connecticut River Watershed's natural, cultural and industrial history Green Briar Nature Center East Sandwich Barnstable Cape Cod website , operated by the Thornton W. Burgess Society, adjacent to the 57-acre Briar Patch Conservation Area Habitat Education Center and Wildlife Sanctuary Belmont Middlesex Greater Boston website , 93 acres, operated by the Massachusetts Audubon Society , located 6 miles northwest of downtown Boston Hitchcock Center for the Environment Amherst Hampshire Pioneer Valley website , located on the 20-acre Larch Hill Conservation Area Ipswich River Wildlife Sanctuary Topsfield Essex North Shore Operated by the Massachusetts Audubon Society , 2,800-acre preserve with over 12 miles of interconnecting trails Joppa Flats Education Center and Wildlife Sanctuary Newburyport Essex North Shore website , 52 acres, operated by the Massachusetts Audubon Society , located near the Parker River National Wildlife Refuge and the Plum Island estuary Lloyd Center for the Environment South Dartmouth Bristol Southeastern Massachusetts 55 acres, focuses on coastal and watershed issues and conducting research on coastal ecosystems and endangered species Marion Natural History Museum Marion Plymouth Plymouth County website , specializes in the natural history of local coastal and offshore areas Moose Hill Wildlife Sanctuary Sharon Norfolk Greater Boston 1,984 acres, operated by the Massachusetts Audubon Society , features 25 mile trail system Museum of American Bird Art at Mass Audubon Canton Norfolk Greater Boston website , operated by the Massachusetts Audubon Society , located on the 124-acre Mildred Morse Allen Wildlife Sanctuary North River Wildlife Sanctuary Marshfield Plymouth Plymouth County 184 acres, operated by the Massachusetts Audubon Society Norcross Wildlife Sanctuary Wales Hampden Pioneer Valley About 8,000 acres, maintained by the Norcross Wildlife Foundation Oak Knoll Wildlife Sanctuary Attleboro Bristol Southeastern Massachusetts website , 50 acres, operated by the Massachusetts Audubon Society Pleasant Valley Wildlife Sanctuary Lenox Berkshire The Berkshires website , 1,142 acres, operated by the Massachusetts Audubon Society Sheep Hill Williamstown Berkshire The Berkshires website , 50-acre former dairy farm with nature exhibits, operated by the Williamstown Rural Lands Foundation Sherburne Nature Center Tyngsborough Middlesex Greater Boston website , 80 acres, operated by the Town South Shore Natural Science Center Norwell Plymouth Plymouth County website , located on 30 acres surrounded by 200 acres of town conservation/recreation land Stony Brook Wildlife Sanctuary Norfolk Norfolk Greater Boston website , 86 acres, operated by the Massachusetts Audubon Society Wachusett Meadow Wildlife Sanctuary Princeton Worcester Worcester County website , 1,011 acres, operated by the Massachusetts Audubon Society Wellfleet Bay Wildlife Sanctuary South Wellfleet Barnstable Cape Cod website Archived 2013-11-13 at the Wayback Machine , 944 acres, operated by the Massachusetts Audubon Society , Esther Underwood Johnson Nature Center contains two 700-gallon aquariums